Home / 5,818.90-8,717.35-3,439.87

Finding the Fourth Proportional to 5,818.90, 8,717.35 and 3,439.87

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Solution

The fourth proportional to 5,818.90, 8,717.35 and 3,439.87 is: 5,153.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,818.90 : 8,717.35 = 3,439.87 : x
  2. Step 2: Convert to fraction form
    5,818.90/8,717.35 = 3,439.87/x
  3. Step 3: Cross multiply
    5,818.90x = 8,717.35 × 3,439.87
  4. Step 4: Simplify right side
    5,818.90x = 29,986,550.74
  5. Step 5: Solve for x
    x = 29,986,550.74/5,818.90
  6. Step 6: Final answer
    x = 5,153.30

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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.