Home / 4,288.64-6,432-2,557.76

Finding the Fourth Proportional to 4,288.64, 6,432 and 2,557.76

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Solution

The fourth proportional to 4,288.64, 6,432 and 2,557.76 is: 3,836.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,288.64 : 6,432 = 2,557.76 : x
  2. Step 2: Convert to fraction form
    4,288.64/6,432 = 2,557.76/x
  3. Step 3: Cross multiply
    4,288.64x = 6,432 × 2,557.76
  4. Step 4: Simplify right side
    4,288.64x = 16,451,512.32
  5. Step 5: Solve for x
    x = 16,451,512.32/4,288.64
  6. Step 6: Final answer
    x = 3,836.07

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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.