Home / 4,229.15-6,342.51-1,455.71

Finding the Fourth Proportional to 4,229.15, 6,342.51 and 1,455.71

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Solution

The fourth proportional to 4,229.15, 6,342.51 and 1,455.71 is: 2,183.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,229.15 : 6,342.51 = 1,455.71 : x
  2. Step 2: Convert to fraction form
    4,229.15/6,342.51 = 1,455.71/x
  3. Step 3: Cross multiply
    4,229.15x = 6,342.51 × 1,455.71
  4. Step 4: Simplify right side
    4,229.15x = 9,232,855.23
  5. Step 5: Solve for x
    x = 9,232,855.23/4,229.15
  6. Step 6: Final answer
    x = 2,183.15

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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.