Home / 7,042.20-9,716.52-4,057.75

Finding the Fourth Proportional to 7,042.20, 9,716.52 and 4,057.75

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Solution

The fourth proportional to 7,042.20, 9,716.52 and 4,057.75 is: 5,598.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,042.20 : 9,716.52 = 4,057.75 : x
  2. Step 2: Convert to fraction form
    7,042.20/9,716.52 = 4,057.75/x
  3. Step 3: Cross multiply
    7,042.20x = 9,716.52 × 4,057.75
  4. Step 4: Simplify right side
    7,042.20x = 39,427,209.03
  5. Step 5: Solve for x
    x = 39,427,209.03/7,042.20
  6. Step 6: Final answer
    x = 5,598.71

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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.