Home / 5,008.70-6,911.40-2,770.44

Finding the Fourth Proportional to 5,008.70, 6,911.40 and 2,770.44

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Solution

The fourth proportional to 5,008.70, 6,911.40 and 2,770.44 is: 3,822.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,008.70 : 6,911.40 = 2,770.44 : x
  2. Step 2: Convert to fraction form
    5,008.70/6,911.40 = 2,770.44/x
  3. Step 3: Cross multiply
    5,008.70x = 6,911.40 × 2,770.44
  4. Step 4: Simplify right side
    5,008.70x = 19,147,619.02
  5. Step 5: Solve for x
    x = 19,147,619.02/5,008.70
  6. Step 6: Final answer
    x = 3,822.87

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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.