Home / 10,628.44-15,935.83-5,081.66

Finding the Fourth Proportional to 10,628.44, 15,935.83 and 5,081.66

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Solution

The fourth proportional to 10,628.44, 15,935.83 and 5,081.66 is: 7,619.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,628.44 : 15,935.83 = 5,081.66 : x
  2. Step 2: Convert to fraction form
    10,628.44/15,935.83 = 5,081.66/x
  3. Step 3: Cross multiply
    10,628.44x = 15,935.83 × 5,081.66
  4. Step 4: Simplify right side
    10,628.44x = 80,980,444.47
  5. Step 5: Solve for x
    x = 80,980,444.47/10,628.44
  6. Step 6: Final answer
    x = 7,619.22

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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.