Home / 9,161.42-13,749.40-3,616.16

Finding the Fourth Proportional to 9,161.42, 13,749.40 and 3,616.16

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Solution

The fourth proportional to 9,161.42, 13,749.40 and 3,616.16 is: 5,427.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,161.42 : 13,749.40 = 3,616.16 : x
  2. Step 2: Convert to fraction form
    9,161.42/13,749.40 = 3,616.16/x
  3. Step 3: Cross multiply
    9,161.42x = 13,749.40 × 3,616.16
  4. Step 4: Simplify right side
    9,161.42x = 49,720,030.30
  5. Step 5: Solve for x
    x = 49,720,030.30/9,161.42
  6. Step 6: Final answer
    x = 5,427.11

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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.