Home / 6,513.97-8,989.25-3,529.87

Finding the Fourth Proportional to 6,513.97, 8,989.25 and 3,529.87

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Solution

The fourth proportional to 6,513.97, 8,989.25 and 3,529.87 is: 4,871.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,513.97 : 8,989.25 = 3,529.87 : x
  2. Step 2: Convert to fraction form
    6,513.97/8,989.25 = 3,529.87/x
  3. Step 3: Cross multiply
    6,513.97x = 8,989.25 × 3,529.87
  4. Step 4: Simplify right side
    6,513.97x = 31,730,883.90
  5. Step 5: Solve for x
    x = 31,730,883.90/6,513.97
  6. Step 6: Final answer
    x = 4,871.21

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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.