Home / 7,729.56-11,593.80-2,798.28

Finding the Fourth Proportional to 7,729.56, 11,593.80 and 2,798.28

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Solution

The fourth proportional to 7,729.56, 11,593.80 and 2,798.28 is: 4,197.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,729.56 : 11,593.80 = 2,798.28 : x
  2. Step 2: Convert to fraction form
    7,729.56/11,593.80 = 2,798.28/x
  3. Step 3: Cross multiply
    7,729.56x = 11,593.80 × 2,798.28
  4. Step 4: Simplify right side
    7,729.56x = 32,442,698.66
  5. Step 5: Solve for x
    x = 32,442,698.66/7,729.56
  6. Step 6: Final answer
    x = 4,197.22

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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.