Home / 8,815.75-12,166.29-4,836.87

Finding the Fourth Proportional to 8,815.75, 12,166.29 and 4,836.87

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Solution

The fourth proportional to 8,815.75, 12,166.29 and 4,836.87 is: 6,675.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,815.75 : 12,166.29 = 4,836.87 : x
  2. Step 2: Convert to fraction form
    8,815.75/12,166.29 = 4,836.87/x
  3. Step 3: Cross multiply
    8,815.75x = 12,166.29 × 4,836.87
  4. Step 4: Simplify right side
    8,815.75x = 58,846,678.10
  5. Step 5: Solve for x
    x = 58,846,678.10/8,815.75
  6. Step 6: Final answer
    x = 6,675.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.