Home / 6,242.51-8,616.57-3,591.68

Finding the Fourth Proportional to 6,242.51, 8,616.57 and 3,591.68

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Solution

The fourth proportional to 6,242.51, 8,616.57 and 3,591.68 is: 4,957.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,242.51 : 8,616.57 = 3,591.68 : x
  2. Step 2: Convert to fraction form
    6,242.51/8,616.57 = 3,591.68/x
  3. Step 3: Cross multiply
    6,242.51x = 8,616.57 × 3,591.68
  4. Step 4: Simplify right side
    6,242.51x = 30,947,919.05
  5. Step 5: Solve for x
    x = 30,947,919.05/6,242.51
  6. Step 6: Final answer
    x = 4,957.61

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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.