Home / 7,318.66-10,098.90-4,131.79

Finding the Fourth Proportional to 7,318.66, 10,098.90 and 4,131.79

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Solution

The fourth proportional to 7,318.66, 10,098.90 and 4,131.79 is: 5,701.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,318.66 : 10,098.90 = 4,131.79 : x
  2. Step 2: Convert to fraction form
    7,318.66/10,098.90 = 4,131.79/x
  3. Step 3: Cross multiply
    7,318.66x = 10,098.90 × 4,131.79
  4. Step 4: Simplify right side
    7,318.66x = 41,726,462.88
  5. Step 5: Solve for x
    x = 41,726,462.88/7,318.66
  6. Step 6: Final answer
    x = 5,701.38

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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.