Home / 4,001.40-6,005.19-1,811.67

Finding the Fourth Proportional to 4,001.40, 6,005.19 and 1,811.67

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Solution

The fourth proportional to 4,001.40, 6,005.19 and 1,811.67 is: 2,718.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,001.40 : 6,005.19 = 1,811.67 : x
  2. Step 2: Convert to fraction form
    4,001.40/6,005.19 = 1,811.67/x
  3. Step 3: Cross multiply
    4,001.40x = 6,005.19 × 1,811.67
  4. Step 4: Simplify right side
    4,001.40x = 10,879,422.57
  5. Step 5: Solve for x
    x = 10,879,422.57/4,001.40
  6. Step 6: Final answer
    x = 2,718.90

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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.