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Finding the Fourth Proportional to 6,450.79, 9,667.72 and 4,677.79

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Solution

The fourth proportional to 6,450.79, 9,667.72 and 4,677.79 is: 7,010.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,450.79 : 9,667.72 = 4,677.79 : x
  2. Step 2: Convert to fraction form
    6,450.79/9,667.72 = 4,677.79/x
  3. Step 3: Cross multiply
    6,450.79x = 9,667.72 × 4,677.79
  4. Step 4: Simplify right side
    6,450.79x = 45,223,545.62
  5. Step 5: Solve for x
    x = 45,223,545.62/6,450.79
  6. Step 6: Final answer
    x = 7,010.55

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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.