Home / 4,575.11-6,862.85-1,288.49

Finding the Fourth Proportional to 4,575.11, 6,862.85 and 1,288.49

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Solution

The fourth proportional to 4,575.11, 6,862.85 and 1,288.49 is: 1,932.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,575.11 : 6,862.85 = 1,288.49 : x
  2. Step 2: Convert to fraction form
    4,575.11/6,862.85 = 1,288.49/x
  3. Step 3: Cross multiply
    4,575.11x = 6,862.85 × 1,288.49
  4. Step 4: Simplify right side
    4,575.11x = 8,842,707.15
  5. Step 5: Solve for x
    x = 8,842,707.15/4,575.11
  6. Step 6: Final answer
    x = 1,932.79

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Half scale
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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.