Home / 5,213.18-7,814.91-1,748

Finding the Fourth Proportional to 5,213.18, 7,814.91 and 1,748

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Solution

The fourth proportional to 5,213.18, 7,814.91 and 1,748 is: 2,620.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,213.18 : 7,814.91 = 1,748 : x
  2. Step 2: Convert to fraction form
    5,213.18/7,814.91 = 1,748/x
  3. Step 3: Cross multiply
    5,213.18x = 7,814.91 × 1,748
  4. Step 4: Simplify right side
    5,213.18x = 13,660,462.68
  5. Step 5: Solve for x
    x = 13,660,462.68/5,213.18
  6. Step 6: Final answer
    x = 2,620.37

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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.