Home / 7,419.78-10,239.30-4,232.97

Finding the Fourth Proportional to 7,419.78, 10,239.30 and 4,232.97

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Solution

The fourth proportional to 7,419.78, 10,239.30 and 4,232.97 is: 5,841.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,419.78 : 10,239.30 = 4,232.97 : x
  2. Step 2: Convert to fraction form
    7,419.78/10,239.30 = 4,232.97/x
  3. Step 3: Cross multiply
    7,419.78x = 10,239.30 × 4,232.97
  4. Step 4: Simplify right side
    7,419.78x = 43,342,649.72
  5. Step 5: Solve for x
    x = 43,342,649.72/7,419.78
  6. Step 6: Final answer
    x = 5,841.50

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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.