Home / 6,101.30-8,420.28-3,744.20

Finding the Fourth Proportional to 6,101.30, 8,420.28 and 3,744.20

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Solution

The fourth proportional to 6,101.30, 8,420.28 and 3,744.20 is: 5,167.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,101.30 : 8,420.28 = 3,744.20 : x
  2. Step 2: Convert to fraction form
    6,101.30/8,420.28 = 3,744.20/x
  3. Step 3: Cross multiply
    6,101.30x = 8,420.28 × 3,744.20
  4. Step 4: Simplify right side
    6,101.30x = 31,527,212.38
  5. Step 5: Solve for x
    x = 31,527,212.38/6,101.30
  6. Step 6: Final answer
    x = 5,167.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.