Home / 7,717.96-11,586.60-7,309.72

Finding the Fourth Proportional to 7,717.96, 11,586.60 and 7,309.72

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Solution

The fourth proportional to 7,717.96, 11,586.60 and 7,309.72 is: 10,973.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,717.96 : 11,586.60 = 7,309.72 : x
  2. Step 2: Convert to fraction form
    7,717.96/11,586.60 = 7,309.72/x
  3. Step 3: Cross multiply
    7,717.96x = 11,586.60 × 7,309.72
  4. Step 4: Simplify right side
    7,717.96x = 84,694,801.75
  5. Step 5: Solve for x
    x = 84,694,801.75/7,717.96
  6. Step 6: Final answer
    x = 10,973.73

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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.