Home / 5,076.60-7,614.90-2,743.80

Finding the Fourth Proportional to 5,076.60, 7,614.90 and 2,743.80

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Solution

The fourth proportional to 5,076.60, 7,614.90 and 2,743.80 is: 4,115.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,076.60 : 7,614.90 = 2,743.80 : x
  2. Step 2: Convert to fraction form
    5,076.60/7,614.90 = 2,743.80/x
  3. Step 3: Cross multiply
    5,076.60x = 7,614.90 × 2,743.80
  4. Step 4: Simplify right side
    5,076.60x = 20,893,762.62
  5. Step 5: Solve for x
    x = 20,893,762.62/5,076.60
  6. Step 6: Final answer
    x = 4,115.70

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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.