Home / 8,591.28-12,888.32-3,043.42

Finding the Fourth Proportional to 8,591.28, 12,888.32 and 3,043.42

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Solution

The fourth proportional to 8,591.28, 12,888.32 and 3,043.42 is: 4,565.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,591.28 : 12,888.32 = 3,043.42 : x
  2. Step 2: Convert to fraction form
    8,591.28/12,888.32 = 3,043.42/x
  3. Step 3: Cross multiply
    8,591.28x = 12,888.32 × 3,043.42
  4. Step 4: Simplify right side
    8,591.28x = 39,224,523.42
  5. Step 5: Solve for x
    x = 39,224,523.42/8,591.28
  6. Step 6: Final answer
    x = 4,565.62

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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.