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Finding the Fourth Proportional to 6,069.84, 9,104.10 and 1,909.86

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Solution

The fourth proportional to 6,069.84, 9,104.10 and 1,909.86 is: 2,864.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,069.84 : 9,104.10 = 1,909.86 : x
  2. Step 2: Convert to fraction form
    6,069.84/9,104.10 = 1,909.86/x
  3. Step 3: Cross multiply
    6,069.84x = 9,104.10 × 1,909.86
  4. Step 4: Simplify right side
    6,069.84x = 17,387,556.43
  5. Step 5: Solve for x
    x = 17,387,556.43/6,069.84
  6. Step 6: Final answer
    x = 2,864.58

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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.