Home / 6,688.77-10,032.99-3,881.79

Finding the Fourth Proportional to 6,688.77, 10,032.99 and 3,881.79

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Solution

The fourth proportional to 6,688.77, 10,032.99 and 3,881.79 is: 5,822.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,688.77 : 10,032.99 = 3,881.79 : x
  2. Step 2: Convert to fraction form
    6,688.77/10,032.99 = 3,881.79/x
  3. Step 3: Cross multiply
    6,688.77x = 10,032.99 × 3,881.79
  4. Step 4: Simplify right side
    6,688.77x = 38,945,960.25
  5. Step 5: Solve for x
    x = 38,945,960.25/6,688.77
  6. Step 6: Final answer
    x = 5,822.59

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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.