Home / 5,680.94-7,839.62-3,291.23

Finding the Fourth Proportional to 5,680.94, 7,839.62 and 3,291.23

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Solution

The fourth proportional to 5,680.94, 7,839.62 and 3,291.23 is: 4,541.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,680.94 : 7,839.62 = 3,291.23 : x
  2. Step 2: Convert to fraction form
    5,680.94/7,839.62 = 3,291.23/x
  3. Step 3: Cross multiply
    5,680.94x = 7,839.62 × 3,291.23
  4. Step 4: Simplify right side
    5,680.94x = 25,802,009.20
  5. Step 5: Solve for x
    x = 25,802,009.20/5,680.94
  6. Step 6: Final answer
    x = 4,541.86

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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.