Home / 8,205.29-12,308.85-3,011.16

Finding the Fourth Proportional to 8,205.29, 12,308.85 and 3,011.16

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Solution

The fourth proportional to 8,205.29, 12,308.85 and 3,011.16 is: 4,517.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,205.29 : 12,308.85 = 3,011.16 : x
  2. Step 2: Convert to fraction form
    8,205.29/12,308.85 = 3,011.16/x
  3. Step 3: Cross multiply
    8,205.29x = 12,308.85 × 3,011.16
  4. Step 4: Simplify right side
    8,205.29x = 37,063,916.77
  5. Step 5: Solve for x
    x = 37,063,916.77/8,205.29
  6. Step 6: Final answer
    x = 4,517.08

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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.