Home / 4,572.28-6,858.67-1,285.12

Finding the Fourth Proportional to 4,572.28, 6,858.67 and 1,285.12

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Solution

The fourth proportional to 4,572.28, 6,858.67 and 1,285.12 is: 1,927.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,572.28 : 6,858.67 = 1,285.12 : x
  2. Step 2: Convert to fraction form
    4,572.28/6,858.67 = 1,285.12/x
  3. Step 3: Cross multiply
    4,572.28x = 6,858.67 × 1,285.12
  4. Step 4: Simplify right side
    4,572.28x = 8,814,179.70
  5. Step 5: Solve for x
    x = 8,814,179.70/4,572.28
  6. Step 6: Final answer
    x = 1,927.74

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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.