Home / 7,419.48-10,236.42-5,295.39

Finding the Fourth Proportional to 7,419.48, 10,236.42 and 5,295.39

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Solution

The fourth proportional to 7,419.48, 10,236.42 and 5,295.39 is: 7,305.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,419.48 : 10,236.42 = 5,295.39 : x
  2. Step 2: Convert to fraction form
    7,419.48/10,236.42 = 5,295.39/x
  3. Step 3: Cross multiply
    7,419.48x = 10,236.42 × 5,295.39
  4. Step 4: Simplify right side
    7,419.48x = 54,205,836.10
  5. Step 5: Solve for x
    x = 54,205,836.10/7,419.48
  6. Step 6: Final answer
    x = 7,305.88

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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.