Home / 8,822.12-12,171.87-5,284.04

Finding the Fourth Proportional to 8,822.12, 12,171.87 and 5,284.04

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Solution

The fourth proportional to 8,822.12, 12,171.87 and 5,284.04 is: 7,290.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,822.12 : 12,171.87 = 5,284.04 : x
  2. Step 2: Convert to fraction form
    8,822.12/12,171.87 = 5,284.04/x
  3. Step 3: Cross multiply
    8,822.12x = 12,171.87 × 5,284.04
  4. Step 4: Simplify right side
    8,822.12x = 64,316,587.10
  5. Step 5: Solve for x
    x = 64,316,587.10/8,822.12
  6. Step 6: Final answer
    x = 7,290.38

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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.