Home / 4,449.29-6,139.85-2,561.15

Finding the Fourth Proportional to 4,449.29, 6,139.85 and 2,561.15

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Solution

The fourth proportional to 4,449.29, 6,139.85 and 2,561.15 is: 3,534.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,449.29 : 6,139.85 = 2,561.15 : x
  2. Step 2: Convert to fraction form
    4,449.29/6,139.85 = 2,561.15/x
  3. Step 3: Cross multiply
    4,449.29x = 6,139.85 × 2,561.15
  4. Step 4: Simplify right side
    4,449.29x = 15,725,079.37
  5. Step 5: Solve for x
    x = 15,725,079.37/4,449.29
  6. Step 6: Final answer
    x = 3,534.29

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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.