Home / 5,631.20-8,446.80-4,335.20

Finding the Fourth Proportional to 5,631.20, 8,446.80 and 4,335.20

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Solution

The fourth proportional to 5,631.20, 8,446.80 and 4,335.20 is: 6,502.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,631.20 : 8,446.80 = 4,335.20 : x
  2. Step 2: Convert to fraction form
    5,631.20/8,446.80 = 4,335.20/x
  3. Step 3: Cross multiply
    5,631.20x = 8,446.80 × 4,335.20
  4. Step 4: Simplify right side
    5,631.20x = 36,618,567.36
  5. Step 5: Solve for x
    x = 36,618,567.36/5,631.20
  6. Step 6: Final answer
    x = 6,502.80

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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.