Home / 7,648.82-11,474.27-2,384.20

Finding the Fourth Proportional to 7,648.82, 11,474.27 and 2,384.20

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Solution

The fourth proportional to 7,648.82, 11,474.27 and 2,384.20 is: 3,576.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,648.82 : 11,474.27 = 2,384.20 : x
  2. Step 2: Convert to fraction form
    7,648.82/11,474.27 = 2,384.20/x
  3. Step 3: Cross multiply
    7,648.82x = 11,474.27 × 2,384.20
  4. Step 4: Simplify right side
    7,648.82x = 27,356,954.53
  5. Step 5: Solve for x
    x = 27,356,954.53/7,648.82
  6. Step 6: Final answer
    x = 3,576.62

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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.