Home / 5,127.37-7,691.23-1,617.41

Finding the Fourth Proportional to 5,127.37, 7,691.23 and 1,617.41

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Solution

The fourth proportional to 5,127.37, 7,691.23 and 1,617.41 is: 2,426.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,127.37 : 7,691.23 = 1,617.41 : x
  2. Step 2: Convert to fraction form
    5,127.37/7,691.23 = 1,617.41/x
  3. Step 3: Cross multiply
    5,127.37x = 7,691.23 × 1,617.41
  4. Step 4: Simplify right side
    5,127.37x = 12,439,891.68
  5. Step 5: Solve for x
    x = 12,439,891.68/5,127.37
  6. Step 6: Final answer
    x = 2,426.17

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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.