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Finding the Fourth Proportional to 7,605.03, 11,388.92 and 6,280.68

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Solution

The fourth proportional to 7,605.03, 11,388.92 and 6,280.68 is: 9,405.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,605.03 : 11,388.92 = 6,280.68 : x
  2. Step 2: Convert to fraction form
    7,605.03/11,388.92 = 6,280.68/x
  3. Step 3: Cross multiply
    7,605.03x = 11,388.92 × 6,280.68
  4. Step 4: Simplify right side
    7,605.03x = 71,530,173.37
  5. Step 5: Solve for x
    x = 71,530,173.37/7,605.03
  6. Step 6: Final answer
    x = 9,405.64

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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.