Home / 4,281.27-6,422.33-1,161.32

Finding the Fourth Proportional to 4,281.27, 6,422.33 and 1,161.32

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Solution

The fourth proportional to 4,281.27, 6,422.33 and 1,161.32 is: 1,742.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,281.27 : 6,422.33 = 1,161.32 : x
  2. Step 2: Convert to fraction form
    4,281.27/6,422.33 = 1,161.32/x
  3. Step 3: Cross multiply
    4,281.27x = 6,422.33 × 1,161.32
  4. Step 4: Simplify right side
    4,281.27x = 7,458,390.52
  5. Step 5: Solve for x
    x = 7,458,390.52/4,281.27
  6. Step 6: Final answer
    x = 1,742.10

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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.