Home / 8,020.34-11,067.90-4,877.54

Finding the Fourth Proportional to 8,020.34, 11,067.90 and 4,877.54

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Solution

The fourth proportional to 8,020.34, 11,067.90 and 4,877.54 is: 6,730.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,020.34 : 11,067.90 = 4,877.54 : x
  2. Step 2: Convert to fraction form
    8,020.34/11,067.90 = 4,877.54/x
  3. Step 3: Cross multiply
    8,020.34x = 11,067.90 × 4,877.54
  4. Step 4: Simplify right side
    8,020.34x = 53,984,124.97
  5. Step 5: Solve for x
    x = 53,984,124.97/8,020.34
  6. Step 6: Final answer
    x = 6,730.90

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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.