Home / 6,513.93-8,989.24-3,529.77

Finding the Fourth Proportional to 6,513.93, 8,989.24 and 3,529.77

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Solution

The fourth proportional to 6,513.93, 8,989.24 and 3,529.77 is: 4,871.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,513.93 : 8,989.24 = 3,529.77 : x
  2. Step 2: Convert to fraction form
    6,513.93/8,989.24 = 3,529.77/x
  3. Step 3: Cross multiply
    6,513.93x = 8,989.24 × 3,529.77
  4. Step 4: Simplify right side
    6,513.93x = 31,729,949.67
  5. Step 5: Solve for x
    x = 31,729,949.67/6,513.93
  6. Step 6: Final answer
    x = 4,871.09

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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.