Home / 6,651.90-9,179.34-3,817.32

Finding the Fourth Proportional to 6,651.90, 9,179.34 and 3,817.32

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Solution

The fourth proportional to 6,651.90, 9,179.34 and 3,817.32 is: 5,267.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,651.90 : 9,179.34 = 3,817.32 : x
  2. Step 2: Convert to fraction form
    6,651.90/9,179.34 = 3,817.32/x
  3. Step 3: Cross multiply
    6,651.90x = 9,179.34 × 3,817.32
  4. Step 4: Simplify right side
    6,651.90x = 35,040,478.17
  5. Step 5: Solve for x
    x = 35,040,478.17/6,651.90
  6. Step 6: Final answer
    x = 5,267.74

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1.5x scale

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.