Home / 6,484.30-9,727.98-2,101.74

Finding the Fourth Proportional to 6,484.30, 9,727.98 and 2,101.74

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Solution

The fourth proportional to 6,484.30, 9,727.98 and 2,101.74 is: 3,153.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,484.30 : 9,727.98 = 2,101.74 : x
  2. Step 2: Convert to fraction form
    6,484.30/9,727.98 = 2,101.74/x
  3. Step 3: Cross multiply
    6,484.30x = 9,727.98 × 2,101.74
  4. Step 4: Simplify right side
    6,484.30x = 20,445,684.69
  5. Step 5: Solve for x
    x = 20,445,684.69/6,484.30
  6. Step 6: Final answer
    x = 3,153.11

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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.