Home / 7,589.20-11,383.88-2,908.10

Finding the Fourth Proportional to 7,589.20, 11,383.88 and 2,908.10

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Solution

The fourth proportional to 7,589.20, 11,383.88 and 2,908.10 is: 4,362.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,589.20 : 11,383.88 = 2,908.10 : x
  2. Step 2: Convert to fraction form
    7,589.20/11,383.88 = 2,908.10/x
  3. Step 3: Cross multiply
    7,589.20x = 11,383.88 × 2,908.10
  4. Step 4: Simplify right side
    7,589.20x = 33,105,424.39
  5. Step 5: Solve for x
    x = 33,105,424.39/7,589.20
  6. Step 6: Final answer
    x = 4,362.17

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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.