Home / 5,315.18-7,969.77-2,542.52

Finding the Fourth Proportional to 5,315.18, 7,969.77 and 2,542.52

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Solution

The fourth proportional to 5,315.18, 7,969.77 and 2,542.52 is: 3,812.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,315.18 : 7,969.77 = 2,542.52 : x
  2. Step 2: Convert to fraction form
    5,315.18/7,969.77 = 2,542.52/x
  3. Step 3: Cross multiply
    5,315.18x = 7,969.77 × 2,542.52
  4. Step 4: Simplify right side
    5,315.18x = 20,263,299.62
  5. Step 5: Solve for x
    x = 20,263,299.62/5,315.18
  6. Step 6: Final answer
    x = 3,812.34

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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.