Home / 9,935.79-14,899.78-3,609.18

Finding the Fourth Proportional to 9,935.79, 14,899.78 and 3,609.18

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Solution

The fourth proportional to 9,935.79, 14,899.78 and 3,609.18 is: 5,412.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,935.79 : 14,899.78 = 3,609.18 : x
  2. Step 2: Convert to fraction form
    9,935.79/14,899.78 = 3,609.18/x
  3. Step 3: Cross multiply
    9,935.79x = 14,899.78 × 3,609.18
  4. Step 4: Simplify right side
    9,935.79x = 53,775,923.08
  5. Step 5: Solve for x
    x = 53,775,923.08/9,935.79
  6. Step 6: Final answer
    x = 5,412.34

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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.