Home / 5,603.33-8,406.32-3,139.85

Finding the Fourth Proportional to 5,603.33, 8,406.32 and 3,139.85

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Solution

The fourth proportional to 5,603.33, 8,406.32 and 3,139.85 is: 4,710.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,603.33 : 8,406.32 = 3,139.85 : x
  2. Step 2: Convert to fraction form
    5,603.33/8,406.32 = 3,139.85/x
  3. Step 3: Cross multiply
    5,603.33x = 8,406.32 × 3,139.85
  4. Step 4: Simplify right side
    5,603.33x = 26,394,589.17
  5. Step 5: Solve for x
    x = 26,394,589.17/5,603.33
  6. Step 6: Final answer
    x = 4,710.52

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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.