Home / 5,677.80-8,506.90-2,387.56

Finding the Fourth Proportional to 5,677.80, 8,506.90 and 2,387.56

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Solution

The fourth proportional to 5,677.80, 8,506.90 and 2,387.56 is: 3,577.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,677.80 : 8,506.90 = 2,387.56 : x
  2. Step 2: Convert to fraction form
    5,677.80/8,506.90 = 2,387.56/x
  3. Step 3: Cross multiply
    5,677.80x = 8,506.90 × 2,387.56
  4. Step 4: Simplify right side
    5,677.80x = 20,310,734.16
  5. Step 5: Solve for x
    x = 20,310,734.16/5,677.80
  6. Step 6: Final answer
    x = 3,577.22

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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.