Home / 6,839.21-10,259.92-2,890.51

Finding the Fourth Proportional to 6,839.21, 10,259.92 and 2,890.51

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Solution

The fourth proportional to 6,839.21, 10,259.92 and 2,890.51 is: 4,336.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,839.21 : 10,259.92 = 2,890.51 : x
  2. Step 2: Convert to fraction form
    6,839.21/10,259.92 = 2,890.51/x
  3. Step 3: Cross multiply
    6,839.21x = 10,259.92 × 2,890.51
  4. Step 4: Simplify right side
    6,839.21x = 29,656,394.13
  5. Step 5: Solve for x
    x = 29,656,394.13/6,839.21
  6. Step 6: Final answer
    x = 4,336.23

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1.5x scale

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.