Home / 8,865.45-13,298.38-3,317.76

Finding the Fourth Proportional to 8,865.45, 13,298.38 and 3,317.76

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Solution

The fourth proportional to 8,865.45, 13,298.38 and 3,317.76 is: 4,976.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,865.45 : 13,298.38 = 3,317.76 : x
  2. Step 2: Convert to fraction form
    8,865.45/13,298.38 = 3,317.76/x
  3. Step 3: Cross multiply
    8,865.45x = 13,298.38 × 3,317.76
  4. Step 4: Simplify right side
    8,865.45x = 44,120,824.93
  5. Step 5: Solve for x
    x = 44,120,824.93/8,865.45
  6. Step 6: Final answer
    x = 4,976.72

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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.