Home / 8,822.88-12,175.20-5,284.20

Finding the Fourth Proportional to 8,822.88, 12,175.20 and 5,284.20

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Solution

The fourth proportional to 8,822.88, 12,175.20 and 5,284.20 is: 7,291.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,822.88 : 12,175.20 = 5,284.20 : x
  2. Step 2: Convert to fraction form
    8,822.88/12,175.20 = 5,284.20/x
  3. Step 3: Cross multiply
    8,822.88x = 12,175.20 × 5,284.20
  4. Step 4: Simplify right side
    8,822.88x = 64,336,191.84
  5. Step 5: Solve for x
    x = 64,336,191.84/8,822.88
  6. Step 6: Final answer
    x = 7,291.97

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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.