Home / 5,275.52-7,919.39-3,085.82

Finding the Fourth Proportional to 5,275.52, 7,919.39 and 3,085.82

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Solution

The fourth proportional to 5,275.52, 7,919.39 and 3,085.82 is: 4,632.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,275.52 : 7,919.39 = 3,085.82 : x
  2. Step 2: Convert to fraction form
    5,275.52/7,919.39 = 3,085.82/x
  3. Step 3: Cross multiply
    5,275.52x = 7,919.39 × 3,085.82
  4. Step 4: Simplify right side
    5,275.52x = 24,437,812.05
  5. Step 5: Solve for x
    x = 24,437,812.05/5,275.52
  6. Step 6: Final answer
    x = 4,632.30

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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.