Home / 4,009.28-5,534.88-2,765.12

Finding the Fourth Proportional to 4,009.28, 5,534.88 and 2,765.12

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Solution

The fourth proportional to 4,009.28, 5,534.88 and 2,765.12 is: 3,817.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,009.28 : 5,534.88 = 2,765.12 : x
  2. Step 2: Convert to fraction form
    4,009.28/5,534.88 = 2,765.12/x
  3. Step 3: Cross multiply
    4,009.28x = 5,534.88 × 2,765.12
  4. Step 4: Simplify right side
    4,009.28x = 15,304,607.39
  5. Step 5: Solve for x
    x = 15,304,607.39/4,009.28
  6. Step 6: Final answer
    x = 3,817.30

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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.