Home / 4,005.18-5,530.96-3,787.02

Finding the Fourth Proportional to 4,005.18, 5,530.96 and 3,787.02

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Solution

The fourth proportional to 4,005.18, 5,530.96 and 3,787.02 is: 5,229.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,005.18 : 5,530.96 = 3,787.02 : x
  2. Step 2: Convert to fraction form
    4,005.18/5,530.96 = 3,787.02/x
  3. Step 3: Cross multiply
    4,005.18x = 5,530.96 × 3,787.02
  4. Step 4: Simplify right side
    4,005.18x = 20,945,856.14
  5. Step 5: Solve for x
    x = 20,945,856.14/4,005.18
  6. Step 6: Final answer
    x = 5,229.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.