Home / 4,155.09-6,227.24-1,688.55

Finding the Fourth Proportional to 4,155.09, 6,227.24 and 1,688.55

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Solution

The fourth proportional to 4,155.09, 6,227.24 and 1,688.55 is: 2,530.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,155.09 : 6,227.24 = 1,688.55 : x
  2. Step 2: Convert to fraction form
    4,155.09/6,227.24 = 1,688.55/x
  3. Step 3: Cross multiply
    4,155.09x = 6,227.24 × 1,688.55
  4. Step 4: Simplify right side
    4,155.09x = 10,514,997.66
  5. Step 5: Solve for x
    x = 10,514,997.66/4,155.09
  6. Step 6: Final answer
    x = 2,530.63

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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.