Home / 8,340.39-11,510.73-4,803.48

Finding the Fourth Proportional to 8,340.39, 11,510.73 and 4,803.48

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Solution

The fourth proportional to 8,340.39, 11,510.73 and 4,803.48 is: 6,629.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,340.39 : 11,510.73 = 4,803.48 : x
  2. Step 2: Convert to fraction form
    8,340.39/11,510.73 = 4,803.48/x
  3. Step 3: Cross multiply
    8,340.39x = 11,510.73 × 4,803.48
  4. Step 4: Simplify right side
    8,340.39x = 55,291,561.34
  5. Step 5: Solve for x
    x = 55,291,561.34/8,340.39
  6. Step 6: Final answer
    x = 6,629.37

Related Problems

Find fourth proportional to 4,170.20, 5,755.37 and 2,401.74
Half scale
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Double scale
Find fourth proportional to 8,341.39, 11,512.11 and 4,804.48
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.