Home / 6,882.21-9,497.34-3,898.02

Finding the Fourth Proportional to 6,882.21, 9,497.34 and 3,898.02

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Solution

The fourth proportional to 6,882.21, 9,497.34 and 3,898.02 is: 5,379.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,882.21 : 9,497.34 = 3,898.02 : x
  2. Step 2: Convert to fraction form
    6,882.21/9,497.34 = 3,898.02/x
  3. Step 3: Cross multiply
    6,882.21x = 9,497.34 × 3,898.02
  4. Step 4: Simplify right side
    6,882.21x = 37,020,821.27
  5. Step 5: Solve for x
    x = 37,020,821.27/6,882.21
  6. Step 6: Final answer
    x = 5,379.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.