Home / 7,734.90-10,667.58-5,213.70

Finding the Fourth Proportional to 7,734.90, 10,667.58 and 5,213.70

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Solution

The fourth proportional to 7,734.90, 10,667.58 and 5,213.70 is: 7,190.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,734.90 : 10,667.58 = 5,213.70 : x
  2. Step 2: Convert to fraction form
    7,734.90/10,667.58 = 5,213.70/x
  3. Step 3: Cross multiply
    7,734.90x = 10,667.58 × 5,213.70
  4. Step 4: Simplify right side
    7,734.90x = 55,617,561.85
  5. Step 5: Solve for x
    x = 55,617,561.85/7,734.90
  6. Step 6: Final answer
    x = 7,190.47

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.