Home / 5,386.32-8,079.48-2,463.12

Finding the Fourth Proportional to 5,386.32, 8,079.48 and 2,463.12

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Solution

The fourth proportional to 5,386.32, 8,079.48 and 2,463.12 is: 3,694.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,386.32 : 8,079.48 = 2,463.12 : x
  2. Step 2: Convert to fraction form
    5,386.32/8,079.48 = 2,463.12/x
  3. Step 3: Cross multiply
    5,386.32x = 8,079.48 × 2,463.12
  4. Step 4: Simplify right side
    5,386.32x = 19,900,728.78
  5. Step 5: Solve for x
    x = 19,900,728.78/5,386.32
  6. Step 6: Final answer
    x = 3,694.68

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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.