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Finding the Fourth Proportional to 8,737.62, 12,058.18 and 4,758.48

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Solution

The fourth proportional to 8,737.62, 12,058.18 and 4,758.48 is: 6,566.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,737.62 : 12,058.18 = 4,758.48 : x
  2. Step 2: Convert to fraction form
    8,737.62/12,058.18 = 4,758.48/x
  3. Step 3: Cross multiply
    8,737.62x = 12,058.18 × 4,758.48
  4. Step 4: Simplify right side
    8,737.62x = 57,378,608.37
  5. Step 5: Solve for x
    x = 57,378,608.37/8,737.62
  6. Step 6: Final answer
    x = 6,566.85

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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.