Home / 5,275.32-7,910.32-2,809.44

Finding the Fourth Proportional to 5,275.32, 7,910.32 and 2,809.44

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Solution

The fourth proportional to 5,275.32, 7,910.32 and 2,809.44 is: 4,212.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,275.32 : 7,910.32 = 2,809.44 : x
  2. Step 2: Convert to fraction form
    5,275.32/7,910.32 = 2,809.44/x
  3. Step 3: Cross multiply
    5,275.32x = 7,910.32 × 2,809.44
  4. Step 4: Simplify right side
    5,275.32x = 22,223,569.42
  5. Step 5: Solve for x
    x = 22,223,569.42/5,275.32
  6. Step 6: Final answer
    x = 4,212.74

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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.