Home / 5,182.52-7,151.36-2,913.62

Finding the Fourth Proportional to 5,182.52, 7,151.36 and 2,913.62

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Solution

The fourth proportional to 5,182.52, 7,151.36 and 2,913.62 is: 4,020.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,182.52 : 7,151.36 = 2,913.62 : x
  2. Step 2: Convert to fraction form
    5,182.52/7,151.36 = 2,913.62/x
  3. Step 3: Cross multiply
    5,182.52x = 7,151.36 × 2,913.62
  4. Step 4: Simplify right side
    5,182.52x = 20,836,295.20
  5. Step 5: Solve for x
    x = 20,836,295.20/5,182.52
  6. Step 6: Final answer
    x = 4,020.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.