Home / 6,839.66-10,259.51-1,909.43

Finding the Fourth Proportional to 6,839.66, 10,259.51 and 1,909.43

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Solution

The fourth proportional to 6,839.66, 10,259.51 and 1,909.43 is: 2,864.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,839.66 : 10,259.51 = 1,909.43 : x
  2. Step 2: Convert to fraction form
    6,839.66/10,259.51 = 1,909.43/x
  3. Step 3: Cross multiply
    6,839.66x = 10,259.51 × 1,909.43
  4. Step 4: Simplify right side
    6,839.66x = 19,589,832.28
  5. Step 5: Solve for x
    x = 19,589,832.28/6,839.66
  6. Step 6: Final answer
    x = 2,864.15

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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.