Home / 5,909.21-8,862.58-2,787.87

Finding the Fourth Proportional to 5,909.21, 8,862.58 and 2,787.87

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Solution

The fourth proportional to 5,909.21, 8,862.58 and 2,787.87 is: 4,181.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,909.21 : 8,862.58 = 2,787.87 : x
  2. Step 2: Convert to fraction form
    5,909.21/8,862.58 = 2,787.87/x
  3. Step 3: Cross multiply
    5,909.21x = 8,862.58 × 2,787.87
  4. Step 4: Simplify right side
    5,909.21x = 24,707,720.90
  5. Step 5: Solve for x
    x = 24,707,720.90/5,909.21
  6. Step 6: Final answer
    x = 4,181.22

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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.