Home / 8,265.89-11,405.71-4,908.85

Finding the Fourth Proportional to 8,265.89, 11,405.71 and 4,908.85

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Solution

The fourth proportional to 8,265.89, 11,405.71 and 4,908.85 is: 6,773.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,265.89 : 11,405.71 = 4,908.85 : x
  2. Step 2: Convert to fraction form
    8,265.89/11,405.71 = 4,908.85/x
  3. Step 3: Cross multiply
    8,265.89x = 11,405.71 × 4,908.85
  4. Step 4: Simplify right side
    8,265.89x = 55,988,919.53
  5. Step 5: Solve for x
    x = 55,988,919.53/8,265.89
  6. Step 6: Final answer
    x = 6,773.49

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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.