Home / 6,470.49-8,929.15-3,637.90

Finding the Fourth Proportional to 6,470.49, 8,929.15 and 3,637.90

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Solution

The fourth proportional to 6,470.49, 8,929.15 and 3,637.90 is: 5,020.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,470.49 : 8,929.15 = 3,637.90 : x
  2. Step 2: Convert to fraction form
    6,470.49/8,929.15 = 3,637.90/x
  3. Step 3: Cross multiply
    6,470.49x = 8,929.15 × 3,637.90
  4. Step 4: Simplify right side
    6,470.49x = 32,483,354.79
  5. Step 5: Solve for x
    x = 32,483,354.79/6,470.49
  6. Step 6: Final answer
    x = 5,020.23

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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.