Home / 7,743.24-11,629.80-6,635.16

Finding the Fourth Proportional to 7,743.24, 11,629.80 and 6,635.16

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Solution

The fourth proportional to 7,743.24, 11,629.80 and 6,635.16 is: 9,965.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,743.24 : 11,629.80 = 6,635.16 : x
  2. Step 2: Convert to fraction form
    7,743.24/11,629.80 = 6,635.16/x
  3. Step 3: Cross multiply
    7,743.24x = 11,629.80 × 6,635.16
  4. Step 4: Simplify right side
    7,743.24x = 77,165,583.77
  5. Step 5: Solve for x
    x = 77,165,583.77/7,743.24
  6. Step 6: Final answer
    x = 9,965.54

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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.