Home / 4,407.52-6,080.40-2,543.20

Finding the Fourth Proportional to 4,407.52, 6,080.40 and 2,543.20

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Solution

The fourth proportional to 4,407.52, 6,080.40 and 2,543.20 is: 3,508.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,407.52 : 6,080.40 = 2,543.20 : x
  2. Step 2: Convert to fraction form
    4,407.52/6,080.40 = 2,543.20/x
  3. Step 3: Cross multiply
    4,407.52x = 6,080.40 × 2,543.20
  4. Step 4: Simplify right side
    4,407.52x = 15,463,673.28
  5. Step 5: Solve for x
    x = 15,463,673.28/4,407.52
  6. Step 6: Final answer
    x = 3,508.47

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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.