Home / 8,281.72-11,429.58-6,182.20

Finding the Fourth Proportional to 8,281.72, 11,429.58 and 6,182.20

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Solution

The fourth proportional to 8,281.72, 11,429.58 and 6,182.20 is: 8,532.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,281.72 : 11,429.58 = 6,182.20 : x
  2. Step 2: Convert to fraction form
    8,281.72/11,429.58 = 6,182.20/x
  3. Step 3: Cross multiply
    8,281.72x = 11,429.58 × 6,182.20
  4. Step 4: Simplify right side
    8,281.72x = 70,659,949.48
  5. Step 5: Solve for x
    x = 70,659,949.48/8,281.72
  6. Step 6: Final answer
    x = 8,532.04

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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.