Home / 6,503.91-9,754.85-2,121.35

Finding the Fourth Proportional to 6,503.91, 9,754.85 and 2,121.35

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Solution

The fourth proportional to 6,503.91, 9,754.85 and 2,121.35 is: 3,181.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,503.91 : 9,754.85 = 2,121.35 : x
  2. Step 2: Convert to fraction form
    6,503.91/9,754.85 = 2,121.35/x
  3. Step 3: Cross multiply
    6,503.91x = 9,754.85 × 2,121.35
  4. Step 4: Simplify right side
    6,503.91x = 20,693,391.67
  5. Step 5: Solve for x
    x = 20,693,391.67/6,503.91
  6. Step 6: Final answer
    x = 3,181.68

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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.