Home / 4,001.18-6,002.78-1,227.99

Finding the Fourth Proportional to 4,001.18, 6,002.78 and 1,227.99

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Solution

The fourth proportional to 4,001.18, 6,002.78 and 1,227.99 is: 1,842.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,001.18 : 6,002.78 = 1,227.99 : x
  2. Step 2: Convert to fraction form
    4,001.18/6,002.78 = 1,227.99/x
  3. Step 3: Cross multiply
    4,001.18x = 6,002.78 × 1,227.99
  4. Step 4: Simplify right side
    4,001.18x = 7,371,353.81
  5. Step 5: Solve for x
    x = 7,371,353.81/4,001.18
  6. Step 6: Final answer
    x = 1,842.30

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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.