Home / 4,269.10-6,400.90-2,949.14

Finding the Fourth Proportional to 4,269.10, 6,400.90 and 2,949.14

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Solution

The fourth proportional to 4,269.10, 6,400.90 and 2,949.14 is: 4,421.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,269.10 : 6,400.90 = 2,949.14 : x
  2. Step 2: Convert to fraction form
    4,269.10/6,400.90 = 2,949.14/x
  3. Step 3: Cross multiply
    4,269.10x = 6,400.90 × 2,949.14
  4. Step 4: Simplify right side
    4,269.10x = 18,877,150.23
  5. Step 5: Solve for x
    x = 18,877,150.23/4,269.10
  6. Step 6: Final answer
    x = 4,421.81

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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.