Home / 10,470.92-15,707.40-3,448.07

Finding the Fourth Proportional to 10,470.92, 15,707.40 and 3,448.07

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Solution

The fourth proportional to 10,470.92, 15,707.40 and 3,448.07 is: 5,172.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,470.92 : 15,707.40 = 3,448.07 : x
  2. Step 2: Convert to fraction form
    10,470.92/15,707.40 = 3,448.07/x
  3. Step 3: Cross multiply
    10,470.92x = 15,707.40 × 3,448.07
  4. Step 4: Simplify right side
    10,470.92x = 54,160,136.18
  5. Step 5: Solve for x
    x = 54,160,136.18/10,470.92
  6. Step 6: Final answer
    x = 5,172.44

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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.