Home / 6,358.20-9,537.30-6,115.20

Finding the Fourth Proportional to 6,358.20, 9,537.30 and 6,115.20

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Solution

The fourth proportional to 6,358.20, 9,537.30 and 6,115.20 is: 9,172.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,358.20 : 9,537.30 = 6,115.20 : x
  2. Step 2: Convert to fraction form
    6,358.20/9,537.30 = 6,115.20/x
  3. Step 3: Cross multiply
    6,358.20x = 9,537.30 × 6,115.20
  4. Step 4: Simplify right side
    6,358.20x = 58,322,496.96
  5. Step 5: Solve for x
    x = 58,322,496.96/6,358.20
  6. Step 6: Final answer
    x = 9,172.80

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.