Home / 9,288.38-13,931.57-2,624.72

Finding the Fourth Proportional to 9,288.38, 13,931.57 and 2,624.72

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Solution

The fourth proportional to 9,288.38, 13,931.57 and 2,624.72 is: 3,936.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,288.38 : 13,931.57 = 2,624.72 : x
  2. Step 2: Convert to fraction form
    9,288.38/13,931.57 = 2,624.72/x
  3. Step 3: Cross multiply
    9,288.38x = 13,931.57 × 2,624.72
  4. Step 4: Simplify right side
    9,288.38x = 36,566,407.31
  5. Step 5: Solve for x
    x = 36,566,407.31/9,288.38
  6. Step 6: Final answer
    x = 3,936.79

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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.