Home / 8,772.60-13,159.08-3,578.43

Finding the Fourth Proportional to 8,772.60, 13,159.08 and 3,578.43

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Solution

The fourth proportional to 8,772.60, 13,159.08 and 3,578.43 is: 5,367.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,772.60 : 13,159.08 = 3,578.43 : x
  2. Step 2: Convert to fraction form
    8,772.60/13,159.08 = 3,578.43/x
  3. Step 3: Cross multiply
    8,772.60x = 13,159.08 × 3,578.43
  4. Step 4: Simplify right side
    8,772.60x = 47,088,846.64
  5. Step 5: Solve for x
    x = 47,088,846.64/8,772.60
  6. Step 6: Final answer
    x = 5,367.72

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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.