Home / 4,618.35-6,928.74-1,331.71

Finding the Fourth Proportional to 4,618.35, 6,928.74 and 1,331.71

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Solution

The fourth proportional to 4,618.35, 6,928.74 and 1,331.71 is: 1,997.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,618.35 : 6,928.74 = 1,331.71 : x
  2. Step 2: Convert to fraction form
    4,618.35/6,928.74 = 1,331.71/x
  3. Step 3: Cross multiply
    4,618.35x = 6,928.74 × 1,331.71
  4. Step 4: Simplify right side
    4,618.35x = 9,227,055.02
  5. Step 5: Solve for x
    x = 9,227,055.02/4,618.35
  6. Step 6: Final answer
    x = 1,997.91

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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.