Home / 8,876.28-13,284.72-6,669.84

Finding the Fourth Proportional to 8,876.28, 13,284.72 and 6,669.84

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Solution

The fourth proportional to 8,876.28, 13,284.72 and 6,669.84 is: 9,982.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,876.28 : 13,284.72 = 6,669.84 : x
  2. Step 2: Convert to fraction form
    8,876.28/13,284.72 = 6,669.84/x
  3. Step 3: Cross multiply
    8,876.28x = 13,284.72 × 6,669.84
  4. Step 4: Simplify right side
    8,876.28x = 88,606,956.84
  5. Step 5: Solve for x
    x = 88,606,956.84/8,876.28
  6. Step 6: Final answer
    x = 9,982.44

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1.5x scale

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.