Home / 6,398.13-9,603.15-3,280.37

Finding the Fourth Proportional to 6,398.13, 9,603.15 and 3,280.37

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Solution

The fourth proportional to 6,398.13, 9,603.15 and 3,280.37 is: 4,923.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,398.13 : 9,603.15 = 3,280.37 : x
  2. Step 2: Convert to fraction form
    6,398.13/9,603.15 = 3,280.37/x
  3. Step 3: Cross multiply
    6,398.13x = 9,603.15 × 3,280.37
  4. Step 4: Simplify right side
    6,398.13x = 31,501,868.76
  5. Step 5: Solve for x
    x = 31,501,868.76/6,398.13
  6. Step 6: Final answer
    x = 4,923.61

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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.