Home / 4,431.20-6,646.81-4,160.56

Finding the Fourth Proportional to 4,431.20, 6,646.81 and 4,160.56

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Solution

The fourth proportional to 4,431.20, 6,646.81 and 4,160.56 is: 6,240.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,431.20 : 6,646.81 = 4,160.56 : x
  2. Step 2: Convert to fraction form
    4,431.20/6,646.81 = 4,160.56/x
  3. Step 3: Cross multiply
    4,431.20x = 6,646.81 × 4,160.56
  4. Step 4: Simplify right side
    4,431.20x = 27,654,451.81
  5. Step 5: Solve for x
    x = 27,654,451.81/4,431.20
  6. Step 6: Final answer
    x = 6,240.85

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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.