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Finding the Fourth Proportional to 5,667.95, 8,502.21 and 4,019.79

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Solution

The fourth proportional to 5,667.95, 8,502.21 and 4,019.79 is: 6,029.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,667.95 : 8,502.21 = 4,019.79 : x
  2. Step 2: Convert to fraction form
    5,667.95/8,502.21 = 4,019.79/x
  3. Step 3: Cross multiply
    5,667.95x = 8,502.21 × 4,019.79
  4. Step 4: Simplify right side
    5,667.95x = 34,177,098.74
  5. Step 5: Solve for x
    x = 34,177,098.74/5,667.95
  6. Step 6: Final answer
    x = 6,029.89

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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.