Home / 5,787.40-8,679.30-2,089.14

Finding the Fourth Proportional to 5,787.40, 8,679.30 and 2,089.14

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Solution

The fourth proportional to 5,787.40, 8,679.30 and 2,089.14 is: 3,133.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,787.40 : 8,679.30 = 2,089.14 : x
  2. Step 2: Convert to fraction form
    5,787.40/8,679.30 = 2,089.14/x
  3. Step 3: Cross multiply
    5,787.40x = 8,679.30 × 2,089.14
  4. Step 4: Simplify right side
    5,787.40x = 18,132,272.80
  5. Step 5: Solve for x
    x = 18,132,272.80/5,787.40
  6. Step 6: Final answer
    x = 3,133.06

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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.