Home / 7,206.39-10,805.85-2,762.75

Finding the Fourth Proportional to 7,206.39, 10,805.85 and 2,762.75

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Solution

The fourth proportional to 7,206.39, 10,805.85 and 2,762.75 is: 4,142.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,206.39 : 10,805.85 = 2,762.75 : x
  2. Step 2: Convert to fraction form
    7,206.39/10,805.85 = 2,762.75/x
  3. Step 3: Cross multiply
    7,206.39x = 10,805.85 × 2,762.75
  4. Step 4: Simplify right side
    7,206.39x = 29,853,794.24
  5. Step 5: Solve for x
    x = 29,853,794.24/7,206.39
  6. Step 6: Final answer
    x = 4,142.68

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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.