Home / 7,712.89-11,584.99-6,808.93

Finding the Fourth Proportional to 7,712.89, 11,584.99 and 6,808.93

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Solution

The fourth proportional to 7,712.89, 11,584.99 and 6,808.93 is: 10,227.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,712.89 : 11,584.99 = 6,808.93 : x
  2. Step 2: Convert to fraction form
    7,712.89/11,584.99 = 6,808.93/x
  3. Step 3: Cross multiply
    7,712.89x = 11,584.99 × 6,808.93
  4. Step 4: Simplify right side
    7,712.89x = 78,881,385.96
  5. Step 5: Solve for x
    x = 78,881,385.96/7,712.89
  6. Step 6: Final answer
    x = 10,227.22

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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.