Home / 8,856.63-13,284.90-3,591.56

Finding the Fourth Proportional to 8,856.63, 13,284.90 and 3,591.56

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Solution

The fourth proportional to 8,856.63, 13,284.90 and 3,591.56 is: 5,387.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,856.63 : 13,284.90 = 3,591.56 : x
  2. Step 2: Convert to fraction form
    8,856.63/13,284.90 = 3,591.56/x
  3. Step 3: Cross multiply
    8,856.63x = 13,284.90 × 3,591.56
  4. Step 4: Simplify right side
    8,856.63x = 47,713,515.44
  5. Step 5: Solve for x
    x = 47,713,515.44/8,856.63
  6. Step 6: Final answer
    x = 5,387.32

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Similar ratio
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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.