Home / 5,131.24-7,701.02-2,666.76

Finding the Fourth Proportional to 5,131.24, 7,701.02 and 2,666.76

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Solution

The fourth proportional to 5,131.24, 7,701.02 and 2,666.76 is: 4,002.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,131.24 : 7,701.02 = 2,666.76 : x
  2. Step 2: Convert to fraction form
    5,131.24/7,701.02 = 2,666.76/x
  3. Step 3: Cross multiply
    5,131.24x = 7,701.02 × 2,666.76
  4. Step 4: Simplify right side
    5,131.24x = 20,536,772.10
  5. Step 5: Solve for x
    x = 20,536,772.10/5,131.24
  6. Step 6: Final answer
    x = 4,002.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.