Home / 5,238.68-7,858.32-1,343.12

Finding the Fourth Proportional to 5,238.68, 7,858.32 and 1,343.12

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Solution

The fourth proportional to 5,238.68, 7,858.32 and 1,343.12 is: 2,014.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,238.68 : 7,858.32 = 1,343.12 : x
  2. Step 2: Convert to fraction form
    5,238.68/7,858.32 = 1,343.12/x
  3. Step 3: Cross multiply
    5,238.68x = 7,858.32 × 1,343.12
  4. Step 4: Simplify right side
    5,238.68x = 10,554,666.76
  5. Step 5: Solve for x
    x = 10,554,666.76/5,238.68
  6. Step 6: Final answer
    x = 2,014.76

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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.