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Finding the Fourth Proportional to 6,672.59, 10,005.47 and 2,228.65

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Solution

The fourth proportional to 6,672.59, 10,005.47 and 2,228.65 is: 3,341.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,672.59 : 10,005.47 = 2,228.65 : x
  2. Step 2: Convert to fraction form
    6,672.59/10,005.47 = 2,228.65/x
  3. Step 3: Cross multiply
    6,672.59x = 10,005.47 × 2,228.65
  4. Step 4: Simplify right side
    6,672.59x = 22,298,708.79
  5. Step 5: Solve for x
    x = 22,298,708.79/6,672.59
  6. Step 6: Final answer
    x = 3,341.84

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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.