Home / 6,474.29-9,711.36-2,091.65

Finding the Fourth Proportional to 6,474.29, 9,711.36 and 2,091.65

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Solution

The fourth proportional to 6,474.29, 9,711.36 and 2,091.65 is: 3,137.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,474.29 : 9,711.36 = 2,091.65 : x
  2. Step 2: Convert to fraction form
    6,474.29/9,711.36 = 2,091.65/x
  3. Step 3: Cross multiply
    6,474.29x = 9,711.36 × 2,091.65
  4. Step 4: Simplify right side
    6,474.29x = 20,312,717.59
  5. Step 5: Solve for x
    x = 20,312,717.59/6,474.29
  6. Step 6: Final answer
    x = 3,137.45

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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.