Home / 4,992.10-7,488.15-3,145.30

Finding the Fourth Proportional to 4,992.10, 7,488.15 and 3,145.30

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Solution

The fourth proportional to 4,992.10, 7,488.15 and 3,145.30 is: 4,717.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,992.10 : 7,488.15 = 3,145.30 : x
  2. Step 2: Convert to fraction form
    4,992.10/7,488.15 = 3,145.30/x
  3. Step 3: Cross multiply
    4,992.10x = 7,488.15 × 3,145.30
  4. Step 4: Simplify right side
    4,992.10x = 23,552,478.20
  5. Step 5: Solve for x
    x = 23,552,478.20/4,992.10
  6. Step 6: Final answer
    x = 4,717.95

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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.