Home / 8,921.32-13,382.60-3,584.50

Finding the Fourth Proportional to 8,921.32, 13,382.60 and 3,584.50

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Solution

The fourth proportional to 8,921.32, 13,382.60 and 3,584.50 is: 5,376.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,921.32 : 13,382.60 = 3,584.50 : x
  2. Step 2: Convert to fraction form
    8,921.32/13,382.60 = 3,584.50/x
  3. Step 3: Cross multiply
    8,921.32x = 13,382.60 × 3,584.50
  4. Step 4: Simplify right side
    8,921.32x = 47,969,878.32
  5. Step 5: Solve for x
    x = 47,969,878.32/8,921.32
  6. Step 6: Final answer
    x = 5,376.99

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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.