Home / 5,909.05-8,864.84-1,960.10

Finding the Fourth Proportional to 5,909.05, 8,864.84 and 1,960.10

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Solution

The fourth proportional to 5,909.05, 8,864.84 and 1,960.10 is: 2,940.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,909.05 : 8,864.84 = 1,960.10 : x
  2. Step 2: Convert to fraction form
    5,909.05/8,864.84 = 1,960.10/x
  3. Step 3: Cross multiply
    5,909.05x = 8,864.84 × 1,960.10
  4. Step 4: Simplify right side
    5,909.05x = 17,375,966.70
  5. Step 5: Solve for x
    x = 17,375,966.70/5,909.05
  6. Step 6: Final answer
    x = 2,940.57

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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.