Home / 7,191.80-10,784.05-3,292.86

Finding the Fourth Proportional to 7,191.80, 10,784.05 and 3,292.86

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Solution

The fourth proportional to 7,191.80, 10,784.05 and 3,292.86 is: 4,937.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,191.80 : 10,784.05 = 3,292.86 : x
  2. Step 2: Convert to fraction form
    7,191.80/10,784.05 = 3,292.86/x
  3. Step 3: Cross multiply
    7,191.80x = 10,784.05 × 3,292.86
  4. Step 4: Simplify right side
    7,191.80x = 35,510,358.65
  5. Step 5: Solve for x
    x = 35,510,358.65/7,191.80
  6. Step 6: Final answer
    x = 4,937.62

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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.