Home / 4,281.64-6,422.46-1,161.65

Finding the Fourth Proportional to 4,281.64, 6,422.46 and 1,161.65

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Solution

The fourth proportional to 4,281.64, 6,422.46 and 1,161.65 is: 1,742.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,281.64 : 6,422.46 = 1,161.65 : x
  2. Step 2: Convert to fraction form
    4,281.64/6,422.46 = 1,161.65/x
  3. Step 3: Cross multiply
    4,281.64x = 6,422.46 × 1,161.65
  4. Step 4: Simplify right side
    4,281.64x = 7,460,650.66
  5. Step 5: Solve for x
    x = 7,460,650.66/4,281.64
  6. Step 6: Final answer
    x = 1,742.48

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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.