Home / 7,419.75-10,239.08-4,062.70

Finding the Fourth Proportional to 7,419.75, 10,239.08 and 4,062.70

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Solution

The fourth proportional to 7,419.75, 10,239.08 and 4,062.70 is: 5,606.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,419.75 : 10,239.08 = 4,062.70 : x
  2. Step 2: Convert to fraction form
    7,419.75/10,239.08 = 4,062.70/x
  3. Step 3: Cross multiply
    7,419.75x = 10,239.08 × 4,062.70
  4. Step 4: Simplify right side
    7,419.75x = 41,598,330.14
  5. Step 5: Solve for x
    x = 41,598,330.14/7,419.75
  6. Step 6: Final answer
    x = 5,606.43

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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.