Home / 5,008.80-6,911.85-2,770.65

Finding the Fourth Proportional to 5,008.80, 6,911.85 and 2,770.65

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Solution

The fourth proportional to 5,008.80, 6,911.85 and 2,770.65 is: 3,823.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,008.80 : 6,911.85 = 2,770.65 : x
  2. Step 2: Convert to fraction form
    5,008.80/6,911.85 = 2,770.65/x
  3. Step 3: Cross multiply
    5,008.80x = 6,911.85 × 2,770.65
  4. Step 4: Simplify right side
    5,008.80x = 19,150,317.20
  5. Step 5: Solve for x
    x = 19,150,317.20/5,008.80
  6. Step 6: Final answer
    x = 3,823.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.