Home / 10,546.49-15,823.04-3,151.25

Finding the Fourth Proportional to 10,546.49, 15,823.04 and 3,151.25

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Solution

The fourth proportional to 10,546.49, 15,823.04 and 3,151.25 is: 4,727.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,546.49 : 15,823.04 = 3,151.25 : x
  2. Step 2: Convert to fraction form
    10,546.49/15,823.04 = 3,151.25/x
  3. Step 3: Cross multiply
    10,546.49x = 15,823.04 × 3,151.25
  4. Step 4: Simplify right side
    10,546.49x = 49,862,319.26
  5. Step 5: Solve for x
    x = 49,862,319.26/10,546.49
  6. Step 6: Final answer
    x = 4,727.86

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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.