Home / 9,316.11-13,975.55-3,076.79

Finding the Fourth Proportional to 9,316.11, 13,975.55 and 3,076.79

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Solution

The fourth proportional to 9,316.11, 13,975.55 and 3,076.79 is: 4,615.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,316.11 : 13,975.55 = 3,076.79 : x
  2. Step 2: Convert to fraction form
    9,316.11/13,975.55 = 3,076.79/x
  3. Step 3: Cross multiply
    9,316.11x = 13,975.55 × 3,076.79
  4. Step 4: Simplify right side
    9,316.11x = 42,999,770.30
  5. Step 5: Solve for x
    x = 42,999,770.30/9,316.11
  6. Step 6: Final answer
    x = 4,615.64

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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.