Home / 4,162.12-6,242.27-1,240.65

Finding the Fourth Proportional to 4,162.12, 6,242.27 and 1,240.65

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Solution

The fourth proportional to 4,162.12, 6,242.27 and 1,240.65 is: 1,860.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,162.12 : 6,242.27 = 1,240.65 : x
  2. Step 2: Convert to fraction form
    4,162.12/6,242.27 = 1,240.65/x
  3. Step 3: Cross multiply
    4,162.12x = 6,242.27 × 1,240.65
  4. Step 4: Simplify right side
    4,162.12x = 7,744,466.07
  5. Step 5: Solve for x
    x = 7,744,466.07/4,162.12
  6. Step 6: Final answer
    x = 1,860.70

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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.