Home / 9,125.88-12,593.40-5,146.48

Finding the Fourth Proportional to 9,125.88, 12,593.40 and 5,146.48

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Solution

The fourth proportional to 9,125.88, 12,593.40 and 5,146.48 is: 7,101.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,125.88 : 12,593.40 = 5,146.48 : x
  2. Step 2: Convert to fraction form
    9,125.88/12,593.40 = 5,146.48/x
  3. Step 3: Cross multiply
    9,125.88x = 12,593.40 × 5,146.48
  4. Step 4: Simplify right side
    9,125.88x = 64,811,681.23
  5. Step 5: Solve for x
    x = 64,811,681.23/9,125.88
  6. Step 6: Final answer
    x = 7,101.97

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Half scale
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Double scale
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Similar ratio
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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.