Home / 8,818.76-12,170.08-5,042.27

Finding the Fourth Proportional to 8,818.76, 12,170.08 and 5,042.27

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Solution

The fourth proportional to 8,818.76, 12,170.08 and 5,042.27 is: 6,958.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,818.76 : 12,170.08 = 5,042.27 : x
  2. Step 2: Convert to fraction form
    8,818.76/12,170.08 = 5,042.27/x
  3. Step 3: Cross multiply
    8,818.76x = 12,170.08 × 5,042.27
  4. Step 4: Simplify right side
    8,818.76x = 61,364,797.55
  5. Step 5: Solve for x
    x = 61,364,797.55/8,818.76
  6. Step 6: Final answer
    x = 6,958.44

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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.