Home / 7,318.82-10,097.48-4,131.74

Finding the Fourth Proportional to 7,318.82, 10,097.48 and 4,131.74

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Solution

The fourth proportional to 7,318.82, 10,097.48 and 4,131.74 is: 5,700.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,318.82 : 10,097.48 = 4,131.74 : x
  2. Step 2: Convert to fraction form
    7,318.82/10,097.48 = 4,131.74/x
  3. Step 3: Cross multiply
    7,318.82x = 10,097.48 × 4,131.74
  4. Step 4: Simplify right side
    7,318.82x = 41,720,197.59
  5. Step 5: Solve for x
    x = 41,720,197.59/7,318.82
  6. Step 6: Final answer
    x = 5,700.40

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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.