Home / 8,564.15-12,848.27-2,720.76

Finding the Fourth Proportional to 8,564.15, 12,848.27 and 2,720.76

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Solution

The fourth proportional to 8,564.15, 12,848.27 and 2,720.76 is: 4,081.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,564.15 : 12,848.27 = 2,720.76 : x
  2. Step 2: Convert to fraction form
    8,564.15/12,848.27 = 2,720.76/x
  3. Step 3: Cross multiply
    8,564.15x = 12,848.27 × 2,720.76
  4. Step 4: Simplify right side
    8,564.15x = 34,957,093.66
  5. Step 5: Solve for x
    x = 34,957,093.66/8,564.15
  6. Step 6: Final answer
    x = 4,081.79

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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.