Home / 7,177.50-10,766.24-2,557.26

Finding the Fourth Proportional to 7,177.50, 10,766.24 and 2,557.26

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Solution

The fourth proportional to 7,177.50, 10,766.24 and 2,557.26 is: 3,835.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,177.50 : 10,766.24 = 2,557.26 : x
  2. Step 2: Convert to fraction form
    7,177.50/10,766.24 = 2,557.26/x
  3. Step 3: Cross multiply
    7,177.50x = 10,766.24 × 2,557.26
  4. Step 4: Simplify right side
    7,177.50x = 27,532,074.90
  5. Step 5: Solve for x
    x = 27,532,074.90/7,177.50
  6. Step 6: Final answer
    x = 3,835.89

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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.