Home / 7,419.39-10,238.87-4,062.14

Finding the Fourth Proportional to 7,419.39, 10,238.87 and 4,062.14

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Solution

The fourth proportional to 7,419.39, 10,238.87 and 4,062.14 is: 5,605.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,419.39 : 10,238.87 = 4,062.14 : x
  2. Step 2: Convert to fraction form
    7,419.39/10,238.87 = 4,062.14/x
  3. Step 3: Cross multiply
    7,419.39x = 10,238.87 × 4,062.14
  4. Step 4: Simplify right side
    7,419.39x = 41,591,759.13
  5. Step 5: Solve for x
    x = 41,591,759.13/7,419.39
  6. Step 6: Final answer
    x = 5,605.82

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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.