Home / 8,865.75-13,298.67-2,625.88

Finding the Fourth Proportional to 8,865.75, 13,298.67 and 2,625.88

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Solution

The fourth proportional to 8,865.75, 13,298.67 and 2,625.88 is: 3,938.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,865.75 : 13,298.67 = 2,625.88 : x
  2. Step 2: Convert to fraction form
    8,865.75/13,298.67 = 2,625.88/x
  3. Step 3: Cross multiply
    8,865.75x = 13,298.67 × 2,625.88
  4. Step 4: Simplify right side
    8,865.75x = 34,920,631.96
  5. Step 5: Solve for x
    x = 34,920,631.96/8,865.75
  6. Step 6: Final answer
    x = 3,938.82

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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.