Home / 5,988.31-8,978.30-2,654.75

Finding the Fourth Proportional to 5,988.31, 8,978.30 and 2,654.75

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Solution

The fourth proportional to 5,988.31, 8,978.30 and 2,654.75 is: 3,980.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,988.31 : 8,978.30 = 2,654.75 : x
  2. Step 2: Convert to fraction form
    5,988.31/8,978.30 = 2,654.75/x
  3. Step 3: Cross multiply
    5,988.31x = 8,978.30 × 2,654.75
  4. Step 4: Simplify right side
    5,988.31x = 23,835,141.93
  5. Step 5: Solve for x
    x = 23,835,141.93/5,988.31
  6. Step 6: Final answer
    x = 3,980.28

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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.