Home / 7,240.96-10,857.36-2,309.44

Finding the Fourth Proportional to 7,240.96, 10,857.36 and 2,309.44

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Solution

The fourth proportional to 7,240.96, 10,857.36 and 2,309.44 is: 3,462.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,240.96 : 10,857.36 = 2,309.44 : x
  2. Step 2: Convert to fraction form
    7,240.96/10,857.36 = 2,309.44/x
  3. Step 3: Cross multiply
    7,240.96x = 10,857.36 × 2,309.44
  4. Step 4: Simplify right side
    7,240.96x = 25,074,421.48
  5. Step 5: Solve for x
    x = 25,074,421.48/7,240.96
  6. Step 6: Final answer
    x = 3,462.86

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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.