Home / 7,677.20-11,505.72-5,937.68

Finding the Fourth Proportional to 7,677.20, 11,505.72 and 5,937.68

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Solution

The fourth proportional to 7,677.20, 11,505.72 and 5,937.68 is: 8,898.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,677.20 : 11,505.72 = 5,937.68 : x
  2. Step 2: Convert to fraction form
    7,677.20/11,505.72 = 5,937.68/x
  3. Step 3: Cross multiply
    7,677.20x = 11,505.72 × 5,937.68
  4. Step 4: Simplify right side
    7,677.20x = 68,317,283.53
  5. Step 5: Solve for x
    x = 68,317,283.53/7,677.20
  6. Step 6: Final answer
    x = 8,898.72

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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.