Home / 9,641.28-14,462.40-2,715.84

Finding the Fourth Proportional to 9,641.28, 14,462.40 and 2,715.84

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Solution

The fourth proportional to 9,641.28, 14,462.40 and 2,715.84 is: 4,073.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,641.28 : 14,462.40 = 2,715.84 : x
  2. Step 2: Convert to fraction form
    9,641.28/14,462.40 = 2,715.84/x
  3. Step 3: Cross multiply
    9,641.28x = 14,462.40 × 2,715.84
  4. Step 4: Simplify right side
    9,641.28x = 39,277,564.42
  5. Step 5: Solve for x
    x = 39,277,564.42/9,641.28
  6. Step 6: Final answer
    x = 4,073.90

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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.