Home / 5,091.41-7,632.78-2,317.11

Finding the Fourth Proportional to 5,091.41, 7,632.78 and 2,317.11

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Solution

The fourth proportional to 5,091.41, 7,632.78 and 2,317.11 is: 3,473.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,091.41 : 7,632.78 = 2,317.11 : x
  2. Step 2: Convert to fraction form
    5,091.41/7,632.78 = 2,317.11/x
  3. Step 3: Cross multiply
    5,091.41x = 7,632.78 × 2,317.11
  4. Step 4: Simplify right side
    5,091.41x = 17,685,990.87
  5. Step 5: Solve for x
    x = 17,685,990.87/5,091.41
  6. Step 6: Final answer
    x = 3,473.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.