Home / 8,132.40-11,219.04-4,987.44

Finding the Fourth Proportional to 8,132.40, 11,219.04 and 4,987.44

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Solution

The fourth proportional to 8,132.40, 11,219.04 and 4,987.44 is: 6,880.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,132.40 : 11,219.04 = 4,987.44 : x
  2. Step 2: Convert to fraction form
    8,132.40/11,219.04 = 4,987.44/x
  3. Step 3: Cross multiply
    8,132.40x = 11,219.04 × 4,987.44
  4. Step 4: Simplify right side
    8,132.40x = 55,954,288.86
  5. Step 5: Solve for x
    x = 55,954,288.86/8,132.40
  6. Step 6: Final answer
    x = 6,880.42

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.