Home / 8,818.60-12,170.51-5,042.07

Finding the Fourth Proportional to 8,818.60, 12,170.51 and 5,042.07

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Solution

The fourth proportional to 8,818.60, 12,170.51 and 5,042.07 is: 6,958.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,818.60 : 12,170.51 = 5,042.07 : x
  2. Step 2: Convert to fraction form
    8,818.60/12,170.51 = 5,042.07/x
  3. Step 3: Cross multiply
    8,818.60x = 12,170.51 × 5,042.07
  4. Step 4: Simplify right side
    8,818.60x = 61,364,563.36
  5. Step 5: Solve for x
    x = 61,364,563.36/8,818.60
  6. Step 6: Final answer
    x = 6,958.54

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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.