Home / 6,805.04-10,209.18-2,909.75

Finding the Fourth Proportional to 6,805.04, 10,209.18 and 2,909.75

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Solution

The fourth proportional to 6,805.04, 10,209.18 and 2,909.75 is: 4,365.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,805.04 : 10,209.18 = 2,909.75 : x
  2. Step 2: Convert to fraction form
    6,805.04/10,209.18 = 2,909.75/x
  3. Step 3: Cross multiply
    6,805.04x = 10,209.18 × 2,909.75
  4. Step 4: Simplify right side
    6,805.04x = 29,706,161.51
  5. Step 5: Solve for x
    x = 29,706,161.51/6,805.04
  6. Step 6: Final answer
    x = 4,365.32

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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.