Home / 6,805.36-10,209.39-2,909.71

Finding the Fourth Proportional to 6,805.36, 10,209.39 and 2,909.71

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Solution

The fourth proportional to 6,805.36, 10,209.39 and 2,909.71 is: 4,365.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,805.36 : 10,209.39 = 2,909.71 : x
  2. Step 2: Convert to fraction form
    6,805.36/10,209.39 = 2,909.71/x
  3. Step 3: Cross multiply
    6,805.36x = 10,209.39 × 2,909.71
  4. Step 4: Simplify right side
    6,805.36x = 29,706,364.18
  5. Step 5: Solve for x
    x = 29,706,364.18/6,805.36
  6. Step 6: Final answer
    x = 4,365.14

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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.