Home / 8,168.35-11,278.77-6,569.85

Finding the Fourth Proportional to 8,168.35, 11,278.77 and 6,569.85

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Solution

The fourth proportional to 8,168.35, 11,278.77 and 6,569.85 is: 9,071.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,168.35 : 11,278.77 = 6,569.85 : x
  2. Step 2: Convert to fraction form
    8,168.35/11,278.77 = 6,569.85/x
  3. Step 3: Cross multiply
    8,168.35x = 11,278.77 × 6,569.85
  4. Step 4: Simplify right side
    8,168.35x = 74,099,827.08
  5. Step 5: Solve for x
    x = 74,099,827.08/8,168.35
  6. Step 6: Final answer
    x = 9,071.58

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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.