Home / 7,689.38-11,537.71-4,575.54

Finding the Fourth Proportional to 7,689.38, 11,537.71 and 4,575.54

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Solution

The fourth proportional to 7,689.38, 11,537.71 and 4,575.54 is: 6,865.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,689.38 : 11,537.71 = 4,575.54 : x
  2. Step 2: Convert to fraction form
    7,689.38/11,537.71 = 4,575.54/x
  3. Step 3: Cross multiply
    7,689.38x = 11,537.71 × 4,575.54
  4. Step 4: Simplify right side
    7,689.38x = 52,791,253.61
  5. Step 5: Solve for x
    x = 52,791,253.61/7,689.38
  6. Step 6: Final answer
    x = 6,865.48

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1.5x scale

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.