Home / 7,444.36-11,156.21-3,278.13

Finding the Fourth Proportional to 7,444.36, 11,156.21 and 3,278.13

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Solution

The fourth proportional to 7,444.36, 11,156.21 and 3,278.13 is: 4,912.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,444.36 : 11,156.21 = 3,278.13 : x
  2. Step 2: Convert to fraction form
    7,444.36/11,156.21 = 3,278.13/x
  3. Step 3: Cross multiply
    7,444.36x = 11,156.21 × 3,278.13
  4. Step 4: Simplify right side
    7,444.36x = 36,571,473.05
  5. Step 5: Solve for x
    x = 36,571,473.05/7,444.36
  6. Step 6: Final answer
    x = 4,912.64

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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.