Home / 8,527.29-12,787.88-3,263.78

Finding the Fourth Proportional to 8,527.29, 12,787.88 and 3,263.78

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Solution

The fourth proportional to 8,527.29, 12,787.88 and 3,263.78 is: 4,894.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,527.29 : 12,787.88 = 3,263.78 : x
  2. Step 2: Convert to fraction form
    8,527.29/12,787.88 = 3,263.78/x
  3. Step 3: Cross multiply
    8,527.29x = 12,787.88 × 3,263.78
  4. Step 4: Simplify right side
    8,527.29x = 41,736,746.73
  5. Step 5: Solve for x
    x = 41,736,746.73/8,527.29
  6. Step 6: Final answer
    x = 4,894.49

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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.