Home / 5,661.20-8,483.64-5,275.76

Finding the Fourth Proportional to 5,661.20, 8,483.64 and 5,275.76

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Solution

The fourth proportional to 5,661.20, 8,483.64 and 5,275.76 is: 7,906.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,661.20 : 8,483.64 = 5,275.76 : x
  2. Step 2: Convert to fraction form
    5,661.20/8,483.64 = 5,275.76/x
  3. Step 3: Cross multiply
    5,661.20x = 8,483.64 × 5,275.76
  4. Step 4: Simplify right side
    5,661.20x = 44,757,648.57
  5. Step 5: Solve for x
    x = 44,757,648.57/5,661.20
  6. Step 6: Final answer
    x = 7,906.04

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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.