Home / 5,005.53-6,899.68-3,941.61

Finding the Fourth Proportional to 5,005.53, 6,899.68 and 3,941.61

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Solution

The fourth proportional to 5,005.53, 6,899.68 and 3,941.61 is: 5,433.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,005.53 : 6,899.68 = 3,941.61 : x
  2. Step 2: Convert to fraction form
    5,005.53/6,899.68 = 3,941.61/x
  3. Step 3: Cross multiply
    5,005.53x = 6,899.68 × 3,941.61
  4. Step 4: Simplify right side
    5,005.53x = 27,195,857.54
  5. Step 5: Solve for x
    x = 27,195,857.54/5,005.53
  6. Step 6: Final answer
    x = 5,433.16

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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.