Home / 8,799.06-12,135.51-6,276.72

Finding the Fourth Proportional to 8,799.06, 12,135.51 and 6,276.72

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Solution

The fourth proportional to 8,799.06, 12,135.51 and 6,276.72 is: 8,656.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,799.06 : 12,135.51 = 6,276.72 : x
  2. Step 2: Convert to fraction form
    8,799.06/12,135.51 = 6,276.72/x
  3. Step 3: Cross multiply
    8,799.06x = 12,135.51 × 6,276.72
  4. Step 4: Simplify right side
    8,799.06x = 76,171,198.33
  5. Step 5: Solve for x
    x = 76,171,198.33/8,799.06
  6. Step 6: Final answer
    x = 8,656.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.