Home / 7,241.24-10,857.90-3,342.18

Finding the Fourth Proportional to 7,241.24, 10,857.90 and 3,342.18

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Solution

The fourth proportional to 7,241.24, 10,857.90 and 3,342.18 is: 5,011.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,241.24 : 10,857.90 = 3,342.18 : x
  2. Step 2: Convert to fraction form
    7,241.24/10,857.90 = 3,342.18/x
  3. Step 3: Cross multiply
    7,241.24x = 10,857.90 × 3,342.18
  4. Step 4: Simplify right side
    7,241.24x = 36,289,056.22
  5. Step 5: Solve for x
    x = 36,289,056.22/7,241.24
  6. Step 6: Final answer
    x = 5,011.44

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1.5x scale

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.