Home / 4,449.20-6,139.40-2,459.26

Finding the Fourth Proportional to 4,449.20, 6,139.40 and 2,459.26

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Solution

The fourth proportional to 4,449.20, 6,139.40 and 2,459.26 is: 3,393.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,449.20 : 6,139.40 = 2,459.26 : x
  2. Step 2: Convert to fraction form
    4,449.20/6,139.40 = 2,459.26/x
  3. Step 3: Cross multiply
    4,449.20x = 6,139.40 × 2,459.26
  4. Step 4: Simplify right side
    4,449.20x = 15,098,337.85
  5. Step 5: Solve for x
    x = 15,098,337.85/4,449.20
  6. Step 6: Final answer
    x = 3,393.49

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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.