Home / 5,278.64-7,932.34-2,815.24

Finding the Fourth Proportional to 5,278.64, 7,932.34 and 2,815.24

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Solution

The fourth proportional to 5,278.64, 7,932.34 and 2,815.24 is: 4,230.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,278.64 : 7,932.34 = 2,815.24 : x
  2. Step 2: Convert to fraction form
    5,278.64/7,932.34 = 2,815.24/x
  3. Step 3: Cross multiply
    5,278.64x = 7,932.34 × 2,815.24
  4. Step 4: Simplify right side
    5,278.64x = 22,331,440.86
  5. Step 5: Solve for x
    x = 22,331,440.86/5,278.64
  6. Step 6: Final answer
    x = 4,230.53

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1.5x scale

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.