Home / 4,449.57-6,139.77-2,560.43

Finding the Fourth Proportional to 4,449.57, 6,139.77 and 2,560.43

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Solution

The fourth proportional to 4,449.57, 6,139.77 and 2,560.43 is: 3,533.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,449.57 : 6,139.77 = 2,560.43 : x
  2. Step 2: Convert to fraction form
    4,449.57/6,139.77 = 2,560.43/x
  3. Step 3: Cross multiply
    4,449.57x = 6,139.77 × 2,560.43
  4. Step 4: Simplify right side
    4,449.57x = 15,720,420.60
  5. Step 5: Solve for x
    x = 15,720,420.60/4,449.57
  6. Step 6: Final answer
    x = 3,533.02

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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.