Home / 8,878.20-13,317.30-4,982.52

Finding the Fourth Proportional to 8,878.20, 13,317.30 and 4,982.52

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Solution

The fourth proportional to 8,878.20, 13,317.30 and 4,982.52 is: 7,473.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,878.20 : 13,317.30 = 4,982.52 : x
  2. Step 2: Convert to fraction form
    8,878.20/13,317.30 = 4,982.52/x
  3. Step 3: Cross multiply
    8,878.20x = 13,317.30 × 4,982.52
  4. Step 4: Simplify right side
    8,878.20x = 66,353,713.60
  5. Step 5: Solve for x
    x = 66,353,713.60/8,878.20
  6. Step 6: Final answer
    x = 7,473.78

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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.