Home / 8,309.05-12,465.62-2,465.65

Finding the Fourth Proportional to 8,309.05, 12,465.62 and 2,465.65

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Solution

The fourth proportional to 8,309.05, 12,465.62 and 2,465.65 is: 3,699.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,309.05 : 12,465.62 = 2,465.65 : x
  2. Step 2: Convert to fraction form
    8,309.05/12,465.62 = 2,465.65/x
  3. Step 3: Cross multiply
    8,309.05x = 12,465.62 × 2,465.65
  4. Step 4: Simplify right side
    8,309.05x = 30,735,868.45
  5. Step 5: Solve for x
    x = 30,735,868.45/8,309.05
  6. Step 6: Final answer
    x = 3,699.08

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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.