Home / 5,612.86-8,419.62-2,326.20

Finding the Fourth Proportional to 5,612.86, 8,419.62 and 2,326.20

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Solution

The fourth proportional to 5,612.86, 8,419.62 and 2,326.20 is: 3,489.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,612.86 : 8,419.62 = 2,326.20 : x
  2. Step 2: Convert to fraction form
    5,612.86/8,419.62 = 2,326.20/x
  3. Step 3: Cross multiply
    5,612.86x = 8,419.62 × 2,326.20
  4. Step 4: Simplify right side
    5,612.86x = 19,585,720.04
  5. Step 5: Solve for x
    x = 19,585,720.04/5,612.86
  6. Step 6: Final answer
    x = 3,489.44

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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.