Home / 4,784.10-7,176.15-3,909.30

Finding the Fourth Proportional to 4,784.10, 7,176.15 and 3,909.30

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Solution

The fourth proportional to 4,784.10, 7,176.15 and 3,909.30 is: 5,863.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,784.10 : 7,176.15 = 3,909.30 : x
  2. Step 2: Convert to fraction form
    4,784.10/7,176.15 = 3,909.30/x
  3. Step 3: Cross multiply
    4,784.10x = 7,176.15 × 3,909.30
  4. Step 4: Simplify right side
    4,784.10x = 28,053,723.20
  5. Step 5: Solve for x
    x = 28,053,723.20/4,784.10
  6. Step 6: Final answer
    x = 5,863.95

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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.