Home / 6,761.65-10,147.70-4,421.02

Finding the Fourth Proportional to 6,761.65, 10,147.70 and 4,421.02

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Solution

The fourth proportional to 6,761.65, 10,147.70 and 4,421.02 is: 6,634.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,761.65 : 10,147.70 = 4,421.02 : x
  2. Step 2: Convert to fraction form
    6,761.65/10,147.70 = 4,421.02/x
  3. Step 3: Cross multiply
    6,761.65x = 10,147.70 × 4,421.02
  4. Step 4: Simplify right side
    6,761.65x = 44,863,184.65
  5. Step 5: Solve for x
    x = 44,863,184.65/6,761.65
  6. Step 6: Final answer
    x = 6,634.95

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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.