Home / 5,316.31-7,975.32-3,237.85

Finding the Fourth Proportional to 5,316.31, 7,975.32 and 3,237.85

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Solution

The fourth proportional to 5,316.31, 7,975.32 and 3,237.85 is: 4,857.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,316.31 : 7,975.32 = 3,237.85 : x
  2. Step 2: Convert to fraction form
    5,316.31/7,975.32 = 3,237.85/x
  3. Step 3: Cross multiply
    5,316.31x = 7,975.32 × 3,237.85
  4. Step 4: Simplify right side
    5,316.31x = 25,822,889.86
  5. Step 5: Solve for x
    x = 25,822,889.86/5,316.31
  6. Step 6: Final answer
    x = 4,857.30

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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.