Home / 6,484.86-9,725.19-2,101.38

Finding the Fourth Proportional to 6,484.86, 9,725.19 and 2,101.38

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Solution

The fourth proportional to 6,484.86, 9,725.19 and 2,101.38 is: 3,151.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,484.86 : 9,725.19 = 2,101.38 : x
  2. Step 2: Convert to fraction form
    6,484.86/9,725.19 = 2,101.38/x
  3. Step 3: Cross multiply
    6,484.86x = 9,725.19 × 2,101.38
  4. Step 4: Simplify right side
    6,484.86x = 20,436,319.76
  5. Step 5: Solve for x
    x = 20,436,319.76/6,484.86
  6. Step 6: Final answer
    x = 3,151.39

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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.