Home / 9,127.88-12,597.04-5,147.52

Finding the Fourth Proportional to 9,127.88, 12,597.04 and 5,147.52

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Solution

The fourth proportional to 9,127.88, 12,597.04 and 5,147.52 is: 7,103.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,127.88 : 12,597.04 = 5,147.52 : x
  2. Step 2: Convert to fraction form
    9,127.88/12,597.04 = 5,147.52/x
  3. Step 3: Cross multiply
    9,127.88x = 12,597.04 × 5,147.52
  4. Step 4: Simplify right side
    9,127.88x = 64,843,515.34
  5. Step 5: Solve for x
    x = 64,843,515.34/9,127.88
  6. Step 6: Final answer
    x = 7,103.90

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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.