Home / 6,622.52-9,933.74-1,692.15

Finding the Fourth Proportional to 6,622.52, 9,933.74 and 1,692.15

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Solution

The fourth proportional to 6,622.52, 9,933.74 and 1,692.15 is: 2,538.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,622.52 : 9,933.74 = 1,692.15 : x
  2. Step 2: Convert to fraction form
    6,622.52/9,933.74 = 1,692.15/x
  3. Step 3: Cross multiply
    6,622.52x = 9,933.74 × 1,692.15
  4. Step 4: Simplify right side
    6,622.52x = 16,809,345.12
  5. Step 5: Solve for x
    x = 16,809,345.12/6,622.52
  6. Step 6: Final answer
    x = 2,538.21

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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.