Home / 4,238.31-6,358.18-1,316.04

Finding the Fourth Proportional to 4,238.31, 6,358.18 and 1,316.04

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Solution

The fourth proportional to 4,238.31, 6,358.18 and 1,316.04 is: 1,974.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,238.31 : 6,358.18 = 1,316.04 : x
  2. Step 2: Convert to fraction form
    4,238.31/6,358.18 = 1,316.04/x
  3. Step 3: Cross multiply
    4,238.31x = 6,358.18 × 1,316.04
  4. Step 4: Simplify right side
    4,238.31x = 8,367,619.21
  5. Step 5: Solve for x
    x = 8,367,619.21/4,238.31
  6. Step 6: Final answer
    x = 1,974.28

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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.