Home / 8,871.32-13,313.86-3,329.70

Finding the Fourth Proportional to 8,871.32, 13,313.86 and 3,329.70

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Solution

The fourth proportional to 8,871.32, 13,313.86 and 3,329.70 is: 4,997.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,871.32 : 13,313.86 = 3,329.70 : x
  2. Step 2: Convert to fraction form
    8,871.32/13,313.86 = 3,329.70/x
  3. Step 3: Cross multiply
    8,871.32x = 13,313.86 × 3,329.70
  4. Step 4: Simplify right side
    8,871.32x = 44,331,159.64
  5. Step 5: Solve for x
    x = 44,331,159.64/8,871.32
  6. Step 6: Final answer
    x = 4,997.13

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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.