Home / 4,619.32-6,927.94-1,331.68

Finding the Fourth Proportional to 4,619.32, 6,927.94 and 1,331.68

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Solution

The fourth proportional to 4,619.32, 6,927.94 and 1,331.68 is: 1,997.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,619.32 : 6,927.94 = 1,331.68 : x
  2. Step 2: Convert to fraction form
    4,619.32/6,927.94 = 1,331.68/x
  3. Step 3: Cross multiply
    4,619.32x = 6,927.94 × 1,331.68
  4. Step 4: Simplify right side
    4,619.32x = 9,225,799.14
  5. Step 5: Solve for x
    x = 9,225,799.14/4,619.32
  6. Step 6: Final answer
    x = 1,997.22

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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.