Home / 5,212.26-7,818.43-1,316.66

Finding the Fourth Proportional to 5,212.26, 7,818.43 and 1,316.66

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Solution

The fourth proportional to 5,212.26, 7,818.43 and 1,316.66 is: 1,975.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,212.26 : 7,818.43 = 1,316.66 : x
  2. Step 2: Convert to fraction form
    5,212.26/7,818.43 = 1,316.66/x
  3. Step 3: Cross multiply
    5,212.26x = 7,818.43 × 1,316.66
  4. Step 4: Simplify right side
    5,212.26x = 10,294,217.34
  5. Step 5: Solve for x
    x = 10,294,217.34/5,212.26
  6. Step 6: Final answer
    x = 1,975.00

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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.