Home / 4,572.18-6,857.68-1,285.52

Finding the Fourth Proportional to 4,572.18, 6,857.68 and 1,285.52

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Solution

The fourth proportional to 4,572.18, 6,857.68 and 1,285.52 is: 1,928.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,572.18 : 6,857.68 = 1,285.52 : x
  2. Step 2: Convert to fraction form
    4,572.18/6,857.68 = 1,285.52/x
  3. Step 3: Cross multiply
    4,572.18x = 6,857.68 × 1,285.52
  4. Step 4: Simplify right side
    4,572.18x = 8,815,684.79
  5. Step 5: Solve for x
    x = 8,815,684.79/4,572.18
  6. Step 6: Final answer
    x = 1,928.11

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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.