Home / 7,426.42-11,127.90-2,739.98

Finding the Fourth Proportional to 7,426.42, 11,127.90 and 2,739.98

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Solution

The fourth proportional to 7,426.42, 11,127.90 and 2,739.98 is: 4,105.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,426.42 : 11,127.90 = 2,739.98 : x
  2. Step 2: Convert to fraction form
    7,426.42/11,127.90 = 2,739.98/x
  3. Step 3: Cross multiply
    7,426.42x = 11,127.90 × 2,739.98
  4. Step 4: Simplify right side
    7,426.42x = 30,490,167.80
  5. Step 5: Solve for x
    x = 30,490,167.80/7,426.42
  6. Step 6: Final answer
    x = 4,105.64

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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.