Home / 8,089.87-12,126.45-5,863.28

Finding the Fourth Proportional to 8,089.87, 12,126.45 and 5,863.28

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Solution

The fourth proportional to 8,089.87, 12,126.45 and 5,863.28 is: 8,788.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,089.87 : 12,126.45 = 5,863.28 : x
  2. Step 2: Convert to fraction form
    8,089.87/12,126.45 = 5,863.28/x
  3. Step 3: Cross multiply
    8,089.87x = 12,126.45 × 5,863.28
  4. Step 4: Simplify right side
    8,089.87x = 71,100,771.76
  5. Step 5: Solve for x
    x = 71,100,771.76/8,089.87
  6. Step 6: Final answer
    x = 8,788.86

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1.5x scale

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.