Home / 5,154.30-7,731.32-3,571.47

Finding the Fourth Proportional to 5,154.30, 7,731.32 and 3,571.47

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Solution

The fourth proportional to 5,154.30, 7,731.32 and 3,571.47 is: 5,357.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,154.30 : 7,731.32 = 3,571.47 : x
  2. Step 2: Convert to fraction form
    5,154.30/7,731.32 = 3,571.47/x
  3. Step 3: Cross multiply
    5,154.30x = 7,731.32 × 3,571.47
  4. Step 4: Simplify right side
    5,154.30x = 27,612,159.58
  5. Step 5: Solve for x
    x = 27,612,159.58/5,154.30
  6. Step 6: Final answer
    x = 5,357.11

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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.