Home / 7,239.16-10,857.48-3,343.24

Finding the Fourth Proportional to 7,239.16, 10,857.48 and 3,343.24

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Solution

The fourth proportional to 7,239.16, 10,857.48 and 3,343.24 is: 5,014.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,239.16 : 10,857.48 = 3,343.24 : x
  2. Step 2: Convert to fraction form
    7,239.16/10,857.48 = 3,343.24/x
  3. Step 3: Cross multiply
    7,239.16x = 10,857.48 × 3,343.24
  4. Step 4: Simplify right side
    7,239.16x = 36,299,161.44
  5. Step 5: Solve for x
    x = 36,299,161.44/7,239.16
  6. Step 6: Final answer
    x = 5,014.28

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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.