Home / 4,001.20-6,002.33-1,228.06

Finding the Fourth Proportional to 4,001.20, 6,002.33 and 1,228.06

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Solution

The fourth proportional to 4,001.20, 6,002.33 and 1,228.06 is: 1,842.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,001.20 : 6,002.33 = 1,228.06 : x
  2. Step 2: Convert to fraction form
    4,001.20/6,002.33 = 1,228.06/x
  3. Step 3: Cross multiply
    4,001.20x = 6,002.33 × 1,228.06
  4. Step 4: Simplify right side
    4,001.20x = 7,371,221.38
  5. Step 5: Solve for x
    x = 7,371,221.38/4,001.20
  6. Step 6: Final answer
    x = 1,842.25

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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.