Home / 10,200.87-15,290.51-5,808.92

Finding the Fourth Proportional to 10,200.87, 15,290.51 and 5,808.92

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Solution

The fourth proportional to 10,200.87, 15,290.51 and 5,808.92 is: 8,707.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,200.87 : 15,290.51 = 5,808.92 : x
  2. Step 2: Convert to fraction form
    10,200.87/15,290.51 = 5,808.92/x
  3. Step 3: Cross multiply
    10,200.87x = 15,290.51 × 5,808.92
  4. Step 4: Simplify right side
    10,200.87x = 88,821,243.85
  5. Step 5: Solve for x
    x = 88,821,243.85/10,200.87
  6. Step 6: Final answer
    x = 8,707.22

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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.