Home / 5,359.65-7,394.73-3,121.02

Finding the Fourth Proportional to 5,359.65, 7,394.73 and 3,121.02

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Solution

The fourth proportional to 5,359.65, 7,394.73 and 3,121.02 is: 4,306.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,359.65 : 7,394.73 = 3,121.02 : x
  2. Step 2: Convert to fraction form
    5,359.65/7,394.73 = 3,121.02/x
  3. Step 3: Cross multiply
    5,359.65x = 7,394.73 × 3,121.02
  4. Step 4: Simplify right side
    5,359.65x = 23,079,100.22
  5. Step 5: Solve for x
    x = 23,079,100.22/5,359.65
  6. Step 6: Final answer
    x = 4,306.08

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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.