Home / 5,131.14-7,697.70-2,011.02

Finding the Fourth Proportional to 5,131.14, 7,697.70 and 2,011.02

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Solution

The fourth proportional to 5,131.14, 7,697.70 and 2,011.02 is: 3,016.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,131.14 : 7,697.70 = 2,011.02 : x
  2. Step 2: Convert to fraction form
    5,131.14/7,697.70 = 2,011.02/x
  3. Step 3: Cross multiply
    5,131.14x = 7,697.70 × 2,011.02
  4. Step 4: Simplify right side
    5,131.14x = 15,480,228.65
  5. Step 5: Solve for x
    x = 15,480,228.65/5,131.14
  6. Step 6: Final answer
    x = 3,016.92

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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.