Home / 8,877.22-12,245.39-5,689.38

Finding the Fourth Proportional to 8,877.22, 12,245.39 and 5,689.38

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Solution

The fourth proportional to 8,877.22, 12,245.39 and 5,689.38 is: 7,848.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,877.22 : 12,245.39 = 5,689.38 : x
  2. Step 2: Convert to fraction form
    8,877.22/12,245.39 = 5,689.38/x
  3. Step 3: Cross multiply
    8,877.22x = 12,245.39 × 5,689.38
  4. Step 4: Simplify right side
    8,877.22x = 69,668,668.22
  5. Step 5: Solve for x
    x = 69,668,668.22/8,877.22
  6. Step 6: Final answer
    x = 7,848.03

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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.