Home / 7,427.01-11,124.32-3,722.78

Finding the Fourth Proportional to 7,427.01, 11,124.32 and 3,722.78

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Solution

The fourth proportional to 7,427.01, 11,124.32 and 3,722.78 is: 5,576.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,427.01 : 11,124.32 = 3,722.78 : x
  2. Step 2: Convert to fraction form
    7,427.01/11,124.32 = 3,722.78/x
  3. Step 3: Cross multiply
    7,427.01x = 11,124.32 × 3,722.78
  4. Step 4: Simplify right side
    7,427.01x = 41,413,396.01
  5. Step 5: Solve for x
    x = 41,413,396.01/7,427.01
  6. Step 6: Final answer
    x = 5,576.05

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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.