Home / 4,927.40-7,391.10-3,177.80

Finding the Fourth Proportional to 4,927.40, 7,391.10 and 3,177.80

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Solution

The fourth proportional to 4,927.40, 7,391.10 and 3,177.80 is: 4,766.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,927.40 : 7,391.10 = 3,177.80 : x
  2. Step 2: Convert to fraction form
    4,927.40/7,391.10 = 3,177.80/x
  3. Step 3: Cross multiply
    4,927.40x = 7,391.10 × 3,177.80
  4. Step 4: Simplify right side
    4,927.40x = 23,487,437.58
  5. Step 5: Solve for x
    x = 23,487,437.58/4,927.40
  6. Step 6: Final answer
    x = 4,766.70

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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.