Home / 10,315.49-15,475.52-3,742.19

Finding the Fourth Proportional to 10,315.49, 15,475.52 and 3,742.19

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Solution

The fourth proportional to 10,315.49, 15,475.52 and 3,742.19 is: 5,614.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,315.49 : 15,475.52 = 3,742.19 : x
  2. Step 2: Convert to fraction form
    10,315.49/15,475.52 = 3,742.19/x
  3. Step 3: Cross multiply
    10,315.49x = 15,475.52 × 3,742.19
  4. Step 4: Simplify right side
    10,315.49x = 57,912,356.17
  5. Step 5: Solve for x
    x = 57,912,356.17/10,315.49
  6. Step 6: Final answer
    x = 5,614.11

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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.