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Finding the Fourth Proportional to 4,855.87, 6,726.49 and 4,757.46

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Solution

The fourth proportional to 4,855.87, 6,726.49 and 4,757.46 is: 6,590.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,855.87 : 6,726.49 = 4,757.46 : x
  2. Step 2: Convert to fraction form
    4,855.87/6,726.49 = 4,757.46/x
  3. Step 3: Cross multiply
    4,855.87x = 6,726.49 × 4,757.46
  4. Step 4: Simplify right side
    4,855.87x = 32,000,985.57
  5. Step 5: Solve for x
    x = 32,000,985.57/4,855.87
  6. Step 6: Final answer
    x = 6,590.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.