Home / 8,506.15-12,740.76-4,114.39

Finding the Fourth Proportional to 8,506.15, 12,740.76 and 4,114.39

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Solution

The fourth proportional to 8,506.15, 12,740.76 and 4,114.39 is: 6,162.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,506.15 : 12,740.76 = 4,114.39 : x
  2. Step 2: Convert to fraction form
    8,506.15/12,740.76 = 4,114.39/x
  3. Step 3: Cross multiply
    8,506.15x = 12,740.76 × 4,114.39
  4. Step 4: Simplify right side
    8,506.15x = 52,420,455.54
  5. Step 5: Solve for x
    x = 52,420,455.54/8,506.15
  6. Step 6: Final answer
    x = 6,162.65

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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.