Home / 7,673.11-11,509.91-2,126.51

Finding the Fourth Proportional to 7,673.11, 11,509.91 and 2,126.51

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Solution

The fourth proportional to 7,673.11, 11,509.91 and 2,126.51 is: 3,189.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,673.11 : 11,509.91 = 2,126.51 : x
  2. Step 2: Convert to fraction form
    7,673.11/11,509.91 = 2,126.51/x
  3. Step 3: Cross multiply
    7,673.11x = 11,509.91 × 2,126.51
  4. Step 4: Simplify right side
    7,673.11x = 24,475,938.71
  5. Step 5: Solve for x
    x = 24,475,938.71/7,673.11
  6. Step 6: Final answer
    x = 3,189.83

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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.