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Finding the Fourth Proportional to 6,658.73, 9,972.53 and 5,262.70

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Solution

The fourth proportional to 6,658.73, 9,972.53 and 5,262.70 is: 7,881.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,658.73 : 9,972.53 = 5,262.70 : x
  2. Step 2: Convert to fraction form
    6,658.73/9,972.53 = 5,262.70/x
  3. Step 3: Cross multiply
    6,658.73x = 9,972.53 × 5,262.70
  4. Step 4: Simplify right side
    6,658.73x = 52,482,383.77
  5. Step 5: Solve for x
    x = 52,482,383.77/6,658.73
  6. Step 6: Final answer
    x = 7,881.74

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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.