Home / 5,240.26-7,860.38-1,344.66

Finding the Fourth Proportional to 5,240.26, 7,860.38 and 1,344.66

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Solution

The fourth proportional to 5,240.26, 7,860.38 and 1,344.66 is: 2,016.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,240.26 : 7,860.38 = 1,344.66 : x
  2. Step 2: Convert to fraction form
    5,240.26/7,860.38 = 1,344.66/x
  3. Step 3: Cross multiply
    5,240.26x = 7,860.38 × 1,344.66
  4. Step 4: Simplify right side
    5,240.26x = 10,569,538.57
  5. Step 5: Solve for x
    x = 10,569,538.57/5,240.26
  6. Step 6: Final answer
    x = 2,016.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.