Home / 5,383.80-8,080.92-3,437.28

Finding the Fourth Proportional to 5,383.80, 8,080.92 and 3,437.28

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Solution

The fourth proportional to 5,383.80, 8,080.92 and 3,437.28 is: 5,159.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,383.80 : 8,080.92 = 3,437.28 : x
  2. Step 2: Convert to fraction form
    5,383.80/8,080.92 = 3,437.28/x
  3. Step 3: Cross multiply
    5,383.80x = 8,080.92 × 3,437.28
  4. Step 4: Simplify right side
    5,383.80x = 27,776,384.70
  5. Step 5: Solve for x
    x = 27,776,384.70/5,383.80
  6. Step 6: Final answer
    x = 5,159.25

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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.