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Finding the Fourth Proportional to 6,160.80, 8,502.44 and 3,507.64

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Solution

The fourth proportional to 6,160.80, 8,502.44 and 3,507.64 is: 4,840.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,160.80 : 8,502.44 = 3,507.64 : x
  2. Step 2: Convert to fraction form
    6,160.80/8,502.44 = 3,507.64/x
  3. Step 3: Cross multiply
    6,160.80x = 8,502.44 × 3,507.64
  4. Step 4: Simplify right side
    6,160.80x = 29,823,498.64
  5. Step 5: Solve for x
    x = 29,823,498.64/6,160.80
  6. Step 6: Final answer
    x = 4,840.85

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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.