Home / 8,949.86-13,426.20-2,709.10

Finding the Fourth Proportional to 8,949.86, 13,426.20 and 2,709.10

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Solution

The fourth proportional to 8,949.86, 13,426.20 and 2,709.10 is: 4,064.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,949.86 : 13,426.20 = 2,709.10 : x
  2. Step 2: Convert to fraction form
    8,949.86/13,426.20 = 2,709.10/x
  3. Step 3: Cross multiply
    8,949.86x = 13,426.20 × 2,709.10
  4. Step 4: Simplify right side
    8,949.86x = 36,372,918.42
  5. Step 5: Solve for x
    x = 36,372,918.42/8,949.86
  6. Step 6: Final answer
    x = 4,064.08

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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.