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Finding the Fourth Proportional to 6,667.70, 9,200.13 and 4,675.10

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Solution

The fourth proportional to 6,667.70, 9,200.13 and 4,675.10 is: 6,450.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,667.70 : 9,200.13 = 4,675.10 : x
  2. Step 2: Convert to fraction form
    6,667.70/9,200.13 = 4,675.10/x
  3. Step 3: Cross multiply
    6,667.70x = 9,200.13 × 4,675.10
  4. Step 4: Simplify right side
    6,667.70x = 43,011,527.76
  5. Step 5: Solve for x
    x = 43,011,527.76/6,667.70
  6. Step 6: Final answer
    x = 6,450.73

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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.