Home / 7,731.24-10,672.02-5,080.92

Finding the Fourth Proportional to 7,731.24, 10,672.02 and 5,080.92

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Solution

The fourth proportional to 7,731.24, 10,672.02 and 5,080.92 is: 7,013.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,731.24 : 10,672.02 = 5,080.92 : x
  2. Step 2: Convert to fraction form
    7,731.24/10,672.02 = 5,080.92/x
  3. Step 3: Cross multiply
    7,731.24x = 10,672.02 × 5,080.92
  4. Step 4: Simplify right side
    7,731.24x = 54,223,679.86
  5. Step 5: Solve for x
    x = 54,223,679.86/7,731.24
  6. Step 6: Final answer
    x = 7,013.58

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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.