Home / 4,239.20-6,358.12-1,160.48

Finding the Fourth Proportional to 4,239.20, 6,358.12 and 1,160.48

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Solution

The fourth proportional to 4,239.20, 6,358.12 and 1,160.48 is: 1,740.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,239.20 : 6,358.12 = 1,160.48 : x
  2. Step 2: Convert to fraction form
    4,239.20/6,358.12 = 1,160.48/x
  3. Step 3: Cross multiply
    4,239.20x = 6,358.12 × 1,160.48
  4. Step 4: Simplify right side
    4,239.20x = 7,378,471.10
  5. Step 5: Solve for x
    x = 7,378,471.10/4,239.20
  6. Step 6: Final answer
    x = 1,740.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.