Home / 5,439.52-8,152.98-2,511.73

Finding the Fourth Proportional to 5,439.52, 8,152.98 and 2,511.73

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Solution

The fourth proportional to 5,439.52, 8,152.98 and 2,511.73 is: 3,764.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,439.52 : 8,152.98 = 2,511.73 : x
  2. Step 2: Convert to fraction form
    5,439.52/8,152.98 = 2,511.73/x
  3. Step 3: Cross multiply
    5,439.52x = 8,152.98 × 2,511.73
  4. Step 4: Simplify right side
    5,439.52x = 20,478,084.46
  5. Step 5: Solve for x
    x = 20,478,084.46/5,439.52
  6. Step 6: Final answer
    x = 3,764.69

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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.