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Finding the Fourth Proportional to 7,251.98, 9,987.44 and 6,595.88

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Solution

The fourth proportional to 7,251.98, 9,987.44 and 6,595.88 is: 9,083.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,251.98 : 9,987.44 = 6,595.88 : x
  2. Step 2: Convert to fraction form
    7,251.98/9,987.44 = 6,595.88/x
  3. Step 3: Cross multiply
    7,251.98x = 9,987.44 × 6,595.88
  4. Step 4: Simplify right side
    7,251.98x = 65,875,872.83
  5. Step 5: Solve for x
    x = 65,875,872.83/7,251.98
  6. Step 6: Final answer
    x = 9,083.85

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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.