Home / 5,542-8,315.07-2,255.92

Finding the Fourth Proportional to 5,542, 8,315.07 and 2,255.92

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Solution

The fourth proportional to 5,542, 8,315.07 and 2,255.92 is: 3,384.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,542 : 8,315.07 = 2,255.92 : x
  2. Step 2: Convert to fraction form
    5,542/8,315.07 = 2,255.92/x
  3. Step 3: Cross multiply
    5,542x = 8,315.07 × 2,255.92
  4. Step 4: Simplify right side
    5,542x = 18,758,132.71
  5. Step 5: Solve for x
    x = 18,758,132.71/5,542
  6. Step 6: Final answer
    x = 3,384.72

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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.