Home / 5,240.25-7,860.51-1,344.69

Finding the Fourth Proportional to 5,240.25, 7,860.51 and 1,344.69

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Solution

The fourth proportional to 5,240.25, 7,860.51 and 1,344.69 is: 2,017.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,240.25 : 7,860.51 = 1,344.69 : x
  2. Step 2: Convert to fraction form
    5,240.25/7,860.51 = 1,344.69/x
  3. Step 3: Cross multiply
    5,240.25x = 7,860.51 × 1,344.69
  4. Step 4: Simplify right side
    5,240.25x = 10,569,949.19
  5. Step 5: Solve for x
    x = 10,569,949.19/5,240.25
  6. Step 6: Final answer
    x = 2,017.07

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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.