Home / 8,340.75-11,511.60-4,803.36

Finding the Fourth Proportional to 8,340.75, 11,511.60 and 4,803.36

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Solution

The fourth proportional to 8,340.75, 11,511.60 and 4,803.36 is: 6,629.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,340.75 : 11,511.60 = 4,803.36 : x
  2. Step 2: Convert to fraction form
    8,340.75/11,511.60 = 4,803.36/x
  3. Step 3: Cross multiply
    8,340.75x = 11,511.60 × 4,803.36
  4. Step 4: Simplify right side
    8,340.75x = 55,294,358.98
  5. Step 5: Solve for x
    x = 55,294,358.98/8,340.75
  6. Step 6: Final answer
    x = 6,629.42

Related Problems

Find fourth proportional to 4,170.38, 5,755.80 and 2,401.68
Half scale
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Double scale
Find fourth proportional to 8,341.75, 11,512.98 and 4,804.36
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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.