Home / 8,390.82-12,585.36-2,844.02

Finding the Fourth Proportional to 8,390.82, 12,585.36 and 2,844.02

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Solution

The fourth proportional to 8,390.82, 12,585.36 and 2,844.02 is: 4,265.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,390.82 : 12,585.36 = 2,844.02 : x
  2. Step 2: Convert to fraction form
    8,390.82/12,585.36 = 2,844.02/x
  3. Step 3: Cross multiply
    8,390.82x = 12,585.36 × 2,844.02
  4. Step 4: Simplify right side
    8,390.82x = 35,793,015.55
  5. Step 5: Solve for x
    x = 35,793,015.55/8,390.82
  6. Step 6: Final answer
    x = 4,265.74

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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.