Home / 5,440.32-8,154-3,787.92

Finding the Fourth Proportional to 5,440.32, 8,154 and 3,787.92

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Solution

The fourth proportional to 5,440.32, 8,154 and 3,787.92 is: 5,677.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,440.32 : 8,154 = 3,787.92 : x
  2. Step 2: Convert to fraction form
    5,440.32/8,154 = 3,787.92/x
  3. Step 3: Cross multiply
    5,440.32x = 8,154 × 3,787.92
  4. Step 4: Simplify right side
    5,440.32x = 30,886,699.68
  5. Step 5: Solve for x
    x = 30,886,699.68/5,440.32
  6. Step 6: Final answer
    x = 5,677.37

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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.