Home / 9,316.87-13,975.29-2,391.37

Finding the Fourth Proportional to 9,316.87, 13,975.29 and 2,391.37

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Solution

The fourth proportional to 9,316.87, 13,975.29 and 2,391.37 is: 3,587.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,316.87 : 13,975.29 = 2,391.37 : x
  2. Step 2: Convert to fraction form
    9,316.87/13,975.29 = 2,391.37/x
  3. Step 3: Cross multiply
    9,316.87x = 13,975.29 × 2,391.37
  4. Step 4: Simplify right side
    9,316.87x = 33,420,089.25
  5. Step 5: Solve for x
    x = 33,420,089.25/9,316.87
  6. Step 6: Final answer
    x = 3,587.05

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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.