Home / 7,614.19-11,421.29-2,420.07

Finding the Fourth Proportional to 7,614.19, 11,421.29 and 2,420.07

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Solution

The fourth proportional to 7,614.19, 11,421.29 and 2,420.07 is: 3,630.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,614.19 : 11,421.29 = 2,420.07 : x
  2. Step 2: Convert to fraction form
    7,614.19/11,421.29 = 2,420.07/x
  3. Step 3: Cross multiply
    7,614.19x = 11,421.29 × 2,420.07
  4. Step 4: Simplify right side
    7,614.19x = 27,640,321.29
  5. Step 5: Solve for x
    x = 27,640,321.29/7,614.19
  6. Step 6: Final answer
    x = 3,630.11

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Similar ratio
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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.