Home / 4,874.20-7,314.90-3,637.78

Finding the Fourth Proportional to 4,874.20, 7,314.90 and 3,637.78

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Solution

The fourth proportional to 4,874.20, 7,314.90 and 3,637.78 is: 5,459.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,874.20 : 7,314.90 = 3,637.78 : x
  2. Step 2: Convert to fraction form
    4,874.20/7,314.90 = 3,637.78/x
  3. Step 3: Cross multiply
    4,874.20x = 7,314.90 × 3,637.78
  4. Step 4: Simplify right side
    4,874.20x = 26,609,996.92
  5. Step 5: Solve for x
    x = 26,609,996.92/4,874.20
  6. Step 6: Final answer
    x = 5,459.36

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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.