Home / 8,067.60-12,099.92-2,802.64

Finding the Fourth Proportional to 8,067.60, 12,099.92 and 2,802.64

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Solution

The fourth proportional to 8,067.60, 12,099.92 and 2,802.64 is: 4,203.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,067.60 : 12,099.92 = 2,802.64 : x
  2. Step 2: Convert to fraction form
    8,067.60/12,099.92 = 2,802.64/x
  3. Step 3: Cross multiply
    8,067.60x = 12,099.92 × 2,802.64
  4. Step 4: Simplify right side
    8,067.60x = 33,911,719.79
  5. Step 5: Solve for x
    x = 33,911,719.79/8,067.60
  6. Step 6: Final answer
    x = 4,203.45

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1.5x scale

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.