Home / 5,129.16-7,694.94-1,666.41

Finding the Fourth Proportional to 5,129.16, 7,694.94 and 1,666.41

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Solution

The fourth proportional to 5,129.16, 7,694.94 and 1,666.41 is: 2,500.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,129.16 : 7,694.94 = 1,666.41 : x
  2. Step 2: Convert to fraction form
    5,129.16/7,694.94 = 1,666.41/x
  3. Step 3: Cross multiply
    5,129.16x = 7,694.94 × 1,666.41
  4. Step 4: Simplify right side
    5,129.16x = 12,822,924.97
  5. Step 5: Solve for x
    x = 12,822,924.97/5,129.16
  6. Step 6: Final answer
    x = 2,500.00

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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.