Home / 5,110.59-7,665.12-1,599.78

Finding the Fourth Proportional to 5,110.59, 7,665.12 and 1,599.78

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Solution

The fourth proportional to 5,110.59, 7,665.12 and 1,599.78 is: 2,399.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,110.59 : 7,665.12 = 1,599.78 : x
  2. Step 2: Convert to fraction form
    5,110.59/7,665.12 = 1,599.78/x
  3. Step 3: Cross multiply
    5,110.59x = 7,665.12 × 1,599.78
  4. Step 4: Simplify right side
    5,110.59x = 12,262,505.67
  5. Step 5: Solve for x
    x = 12,262,505.67/5,110.59
  6. Step 6: Final answer
    x = 2,399.43

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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.