Home / 7,337.58-10,115.31-6,156.78

Finding the Fourth Proportional to 7,337.58, 10,115.31 and 6,156.78

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Solution

The fourth proportional to 7,337.58, 10,115.31 and 6,156.78 is: 8,487.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,337.58 : 10,115.31 = 6,156.78 : x
  2. Step 2: Convert to fraction form
    7,337.58/10,115.31 = 6,156.78/x
  3. Step 3: Cross multiply
    7,337.58x = 10,115.31 × 6,156.78
  4. Step 4: Simplify right side
    7,337.58x = 62,277,738.30
  5. Step 5: Solve for x
    x = 62,277,738.30/7,337.58
  6. Step 6: Final answer
    x = 8,487.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.