Home / 6,465.09-9,698.85-2,081.37

Finding the Fourth Proportional to 6,465.09, 9,698.85 and 2,081.37

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Solution

The fourth proportional to 6,465.09, 9,698.85 and 2,081.37 is: 3,122.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,465.09 : 9,698.85 = 2,081.37 : x
  2. Step 2: Convert to fraction form
    6,465.09/9,698.85 = 2,081.37/x
  3. Step 3: Cross multiply
    6,465.09x = 9,698.85 × 2,081.37
  4. Step 4: Simplify right side
    6,465.09x = 20,186,895.42
  5. Step 5: Solve for x
    x = 20,186,895.42/6,465.09
  6. Step 6: Final answer
    x = 3,122.45

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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.