Home / 8,876.28-13,318.74-4,259.64

Finding the Fourth Proportional to 8,876.28, 13,318.74 and 4,259.64

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Solution

The fourth proportional to 8,876.28, 13,318.74 and 4,259.64 is: 6,391.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,876.28 : 13,318.74 = 4,259.64 : x
  2. Step 2: Convert to fraction form
    8,876.28/13,318.74 = 4,259.64/x
  3. Step 3: Cross multiply
    8,876.28x = 13,318.74 × 4,259.64
  4. Step 4: Simplify right side
    8,876.28x = 56,733,037.65
  5. Step 5: Solve for x
    x = 56,733,037.65/8,876.28
  6. Step 6: Final answer
    x = 6,391.53

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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.