Home / 8,608.17-11,878.56-6,091.76

Finding the Fourth Proportional to 8,608.17, 11,878.56 and 6,091.76

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Solution

The fourth proportional to 8,608.17, 11,878.56 and 6,091.76 is: 8,406.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,608.17 : 11,878.56 = 6,091.76 : x
  2. Step 2: Convert to fraction form
    8,608.17/11,878.56 = 6,091.76/x
  3. Step 3: Cross multiply
    8,608.17x = 11,878.56 × 6,091.76
  4. Step 4: Simplify right side
    8,608.17x = 72,361,336.67
  5. Step 5: Solve for x
    x = 72,361,336.67/8,608.17
  6. Step 6: Final answer
    x = 8,406.12

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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.