Home / 5,587.80-8,381.70-3,744.60

Finding the Fourth Proportional to 5,587.80, 8,381.70 and 3,744.60

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Solution

The fourth proportional to 5,587.80, 8,381.70 and 3,744.60 is: 5,616.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,587.80 : 8,381.70 = 3,744.60 : x
  2. Step 2: Convert to fraction form
    5,587.80/8,381.70 = 3,744.60/x
  3. Step 3: Cross multiply
    5,587.80x = 8,381.70 × 3,744.60
  4. Step 4: Simplify right side
    5,587.80x = 31,386,113.82
  5. Step 5: Solve for x
    x = 31,386,113.82/5,587.80
  6. Step 6: Final answer
    x = 5,616.90

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.