Home / 7,981.44-11,009.30-5,292.66

Finding the Fourth Proportional to 7,981.44, 11,009.30 and 5,292.66

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Solution

The fourth proportional to 7,981.44, 11,009.30 and 5,292.66 is: 7,300.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,981.44 : 11,009.30 = 5,292.66 : x
  2. Step 2: Convert to fraction form
    7,981.44/11,009.30 = 5,292.66/x
  3. Step 3: Cross multiply
    7,981.44x = 11,009.30 × 5,292.66
  4. Step 4: Simplify right side
    7,981.44x = 58,268,481.74
  5. Step 5: Solve for x
    x = 58,268,481.74/7,981.44
  6. Step 6: Final answer
    x = 7,300.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.