Home / 5,091.39-6,981.12-4,591.89

Finding the Fourth Proportional to 5,091.39, 6,981.12 and 4,591.89

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Solution

The fourth proportional to 5,091.39, 6,981.12 and 4,591.89 is: 6,296.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,091.39 : 6,981.12 = 4,591.89 : x
  2. Step 2: Convert to fraction form
    5,091.39/6,981.12 = 4,591.89/x
  3. Step 3: Cross multiply
    5,091.39x = 6,981.12 × 4,591.89
  4. Step 4: Simplify right side
    5,091.39x = 32,056,535.12
  5. Step 5: Solve for x
    x = 32,056,535.12/5,091.39
  6. Step 6: Final answer
    x = 6,296.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.