Home / 6,155.49-8,494.01-3,502.20

Finding the Fourth Proportional to 6,155.49, 8,494.01 and 3,502.20

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Solution

The fourth proportional to 6,155.49, 8,494.01 and 3,502.20 is: 4,832.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,155.49 : 8,494.01 = 3,502.20 : x
  2. Step 2: Convert to fraction form
    6,155.49/8,494.01 = 3,502.20/x
  3. Step 3: Cross multiply
    6,155.49x = 8,494.01 × 3,502.20
  4. Step 4: Simplify right side
    6,155.49x = 29,747,721.82
  5. Step 5: Solve for x
    x = 29,747,721.82/6,155.49
  6. Step 6: Final answer
    x = 4,832.71

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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.