Home / 5,373.85-8,063.16-2,087.20

Finding the Fourth Proportional to 5,373.85, 8,063.16 and 2,087.20

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Solution

The fourth proportional to 5,373.85, 8,063.16 and 2,087.20 is: 3,131.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,373.85 : 8,063.16 = 2,087.20 : x
  2. Step 2: Convert to fraction form
    5,373.85/8,063.16 = 2,087.20/x
  3. Step 3: Cross multiply
    5,373.85x = 8,063.16 × 2,087.20
  4. Step 4: Simplify right side
    5,373.85x = 16,829,376.80
  5. Step 5: Solve for x
    x = 16,829,376.80/5,373.85
  6. Step 6: Final answer
    x = 3,131.72

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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.