Home / 7,341.66-11,012.49-2,147.54

Finding the Fourth Proportional to 7,341.66, 11,012.49 and 2,147.54

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Solution

The fourth proportional to 7,341.66, 11,012.49 and 2,147.54 is: 3,221.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,341.66 : 11,012.49 = 2,147.54 : x
  2. Step 2: Convert to fraction form
    7,341.66/11,012.49 = 2,147.54/x
  3. Step 3: Cross multiply
    7,341.66x = 11,012.49 × 2,147.54
  4. Step 4: Simplify right side
    7,341.66x = 23,649,707.71
  5. Step 5: Solve for x
    x = 23,649,707.71/7,341.66
  6. Step 6: Final answer
    x = 3,221.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.