Home / 5,359.65-7,394.54-3,119.73

Finding the Fourth Proportional to 5,359.65, 7,394.54 and 3,119.73

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Solution

The fourth proportional to 5,359.65, 7,394.54 and 3,119.73 is: 4,304.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,359.65 : 7,394.54 = 3,119.73 : x
  2. Step 2: Convert to fraction form
    5,359.65/7,394.54 = 3,119.73/x
  3. Step 3: Cross multiply
    5,359.65x = 7,394.54 × 3,119.73
  4. Step 4: Simplify right side
    5,359.65x = 23,068,952.68
  5. Step 5: Solve for x
    x = 23,068,952.68/5,359.65
  6. Step 6: Final answer
    x = 4,304.19

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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.