Home / 8,781.95-12,121.35-6,093.36

Finding the Fourth Proportional to 8,781.95, 12,121.35 and 6,093.36

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Solution

The fourth proportional to 8,781.95, 12,121.35 and 6,093.36 is: 8,410.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,781.95 : 12,121.35 = 6,093.36 : x
  2. Step 2: Convert to fraction form
    8,781.95/12,121.35 = 6,093.36/x
  3. Step 3: Cross multiply
    8,781.95x = 12,121.35 × 6,093.36
  4. Step 4: Simplify right side
    8,781.95x = 73,859,726.39
  5. Step 5: Solve for x
    x = 73,859,726.39/8,781.95
  6. Step 6: Final answer
    x = 8,410.40

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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.