Home / 7,659.47-11,490.29-2,728.06

Finding the Fourth Proportional to 7,659.47, 11,490.29 and 2,728.06

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Solution

The fourth proportional to 7,659.47, 11,490.29 and 2,728.06 is: 4,092.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,659.47 : 11,490.29 = 2,728.06 : x
  2. Step 2: Convert to fraction form
    7,659.47/11,490.29 = 2,728.06/x
  3. Step 3: Cross multiply
    7,659.47x = 11,490.29 × 2,728.06
  4. Step 4: Simplify right side
    7,659.47x = 31,346,200.54
  5. Step 5: Solve for x
    x = 31,346,200.54/7,659.47
  6. Step 6: Final answer
    x = 4,092.48

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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.