Home / 4,191.15-6,287.13-1,229.65

Finding the Fourth Proportional to 4,191.15, 6,287.13 and 1,229.65

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Solution

The fourth proportional to 4,191.15, 6,287.13 and 1,229.65 is: 1,844.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,191.15 : 6,287.13 = 1,229.65 : x
  2. Step 2: Convert to fraction form
    4,191.15/6,287.13 = 1,229.65/x
  3. Step 3: Cross multiply
    4,191.15x = 6,287.13 × 1,229.65
  4. Step 4: Simplify right side
    4,191.15x = 7,730,969.40
  5. Step 5: Solve for x
    x = 7,730,969.40/4,191.15
  6. Step 6: Final answer
    x = 1,844.59

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1.5x scale

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.