Home / 4,081.12-6,122.49-1,582.23

Finding the Fourth Proportional to 4,081.12, 6,122.49 and 1,582.23

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Solution

The fourth proportional to 4,081.12, 6,122.49 and 1,582.23 is: 2,373.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,081.12 : 6,122.49 = 1,582.23 : x
  2. Step 2: Convert to fraction form
    4,081.12/6,122.49 = 1,582.23/x
  3. Step 3: Cross multiply
    4,081.12x = 6,122.49 × 1,582.23
  4. Step 4: Simplify right side
    4,081.12x = 9,687,204.38
  5. Step 5: Solve for x
    x = 9,687,204.38/4,081.12
  6. Step 6: Final answer
    x = 2,373.66

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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.