Home / 7,605.90-11,396.70-6,366.60

Finding the Fourth Proportional to 7,605.90, 11,396.70 and 6,366.60

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Solution

The fourth proportional to 7,605.90, 11,396.70 and 6,366.60 is: 9,539.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,605.90 : 11,396.70 = 6,366.60 : x
  2. Step 2: Convert to fraction form
    7,605.90/11,396.70 = 6,366.60/x
  3. Step 3: Cross multiply
    7,605.90x = 11,396.70 × 6,366.60
  4. Step 4: Simplify right side
    7,605.90x = 72,558,230.22
  5. Step 5: Solve for x
    x = 72,558,230.22/7,605.90
  6. Step 6: Final answer
    x = 9,539.73

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1.5x scale

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.