Home / 7,043.10-9,719.52-3,976.97

Finding the Fourth Proportional to 7,043.10, 9,719.52 and 3,976.97

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Solution

The fourth proportional to 7,043.10, 9,719.52 and 3,976.97 is: 5,488.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,043.10 : 9,719.52 = 3,976.97 : x
  2. Step 2: Convert to fraction form
    7,043.10/9,719.52 = 3,976.97/x
  3. Step 3: Cross multiply
    7,043.10x = 9,719.52 × 3,976.97
  4. Step 4: Simplify right side
    7,043.10x = 38,654,239.45
  5. Step 5: Solve for x
    x = 38,654,239.45/7,043.10
  6. Step 6: Final answer
    x = 5,488.24

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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.