Home / 7,070.97-9,757.55-3,884.68

Finding the Fourth Proportional to 7,070.97, 9,757.55 and 3,884.68

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Solution

The fourth proportional to 7,070.97, 9,757.55 and 3,884.68 is: 5,360.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,070.97 : 9,757.55 = 3,884.68 : x
  2. Step 2: Convert to fraction form
    7,070.97/9,757.55 = 3,884.68/x
  3. Step 3: Cross multiply
    7,070.97x = 9,757.55 × 3,884.68
  4. Step 4: Simplify right side
    7,070.97x = 37,904,959.33
  5. Step 5: Solve for x
    x = 37,904,959.33/7,070.97
  6. Step 6: Final answer
    x = 5,360.64

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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.