Home / 4,932.10-7,398.15-1,645.30

Finding the Fourth Proportional to 4,932.10, 7,398.15 and 1,645.30

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Solution

The fourth proportional to 4,932.10, 7,398.15 and 1,645.30 is: 2,467.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,932.10 : 7,398.15 = 1,645.30 : x
  2. Step 2: Convert to fraction form
    4,932.10/7,398.15 = 1,645.30/x
  3. Step 3: Cross multiply
    4,932.10x = 7,398.15 × 1,645.30
  4. Step 4: Simplify right side
    4,932.10x = 12,172,176.20
  5. Step 5: Solve for x
    x = 12,172,176.20/4,932.10
  6. Step 6: Final answer
    x = 2,467.95

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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.