Home / 7,185.28-10,774.08-4,224.76

Finding the Fourth Proportional to 7,185.28, 10,774.08 and 4,224.76

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Solution

The fourth proportional to 7,185.28, 10,774.08 and 4,224.76 is: 6,334.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,185.28 : 10,774.08 = 4,224.76 : x
  2. Step 2: Convert to fraction form
    7,185.28/10,774.08 = 4,224.76/x
  3. Step 3: Cross multiply
    7,185.28x = 10,774.08 × 4,224.76
  4. Step 4: Simplify right side
    7,185.28x = 45,517,902.22
  5. Step 5: Solve for x
    x = 45,517,902.22/7,185.28
  6. Step 6: Final answer
    x = 6,334.88

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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.