Home / 8,574.45-12,862.60-2,729.69

Finding the Fourth Proportional to 8,574.45, 12,862.60 and 2,729.69

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Solution

The fourth proportional to 8,574.45, 12,862.60 and 2,729.69 is: 4,094.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,574.45 : 12,862.60 = 2,729.69 : x
  2. Step 2: Convert to fraction form
    8,574.45/12,862.60 = 2,729.69/x
  3. Step 3: Cross multiply
    8,574.45x = 12,862.60 × 2,729.69
  4. Step 4: Simplify right side
    8,574.45x = 35,110,935.93
  5. Step 5: Solve for x
    x = 35,110,935.93/8,574.45
  6. Step 6: Final answer
    x = 4,094.83

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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.