Home / 5,603.80-8,406.89-2,794.15

Finding the Fourth Proportional to 5,603.80, 8,406.89 and 2,794.15

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Solution

The fourth proportional to 5,603.80, 8,406.89 and 2,794.15 is: 4,191.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,603.80 : 8,406.89 = 2,794.15 : x
  2. Step 2: Convert to fraction form
    5,603.80/8,406.89 = 2,794.15/x
  3. Step 3: Cross multiply
    5,603.80x = 8,406.89 × 2,794.15
  4. Step 4: Simplify right side
    5,603.80x = 23,490,139.70
  5. Step 5: Solve for x
    x = 23,490,139.70/5,603.80
  6. Step 6: Final answer
    x = 4,191.83

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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.