Home / 9,286.65-13,920.18-3,045.03

Finding the Fourth Proportional to 9,286.65, 13,920.18 and 3,045.03

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Solution

The fourth proportional to 9,286.65, 13,920.18 and 3,045.03 is: 4,564.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,286.65 : 13,920.18 = 3,045.03 : x
  2. Step 2: Convert to fraction form
    9,286.65/13,920.18 = 3,045.03/x
  3. Step 3: Cross multiply
    9,286.65x = 13,920.18 × 3,045.03
  4. Step 4: Simplify right side
    9,286.65x = 42,387,365.71
  5. Step 5: Solve for x
    x = 42,387,365.71/9,286.65
  6. Step 6: Final answer
    x = 4,564.33

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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.