Home / 5,008.40-6,911.38-2,770.13

Finding the Fourth Proportional to 5,008.40, 6,911.38 and 2,770.13

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Solution

The fourth proportional to 5,008.40, 6,911.38 and 2,770.13 is: 3,822.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,008.40 : 6,911.38 = 2,770.13 : x
  2. Step 2: Convert to fraction form
    5,008.40/6,911.38 = 2,770.13/x
  3. Step 3: Cross multiply
    5,008.40x = 6,911.38 × 2,770.13
  4. Step 4: Simplify right side
    5,008.40x = 19,145,400.73
  5. Step 5: Solve for x
    x = 19,145,400.73/5,008.40
  6. Step 6: Final answer
    x = 3,822.66

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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.