Home / 4,478.64-6,716.94-1,705.62

Finding the Fourth Proportional to 4,478.64, 6,716.94 and 1,705.62

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Solution

The fourth proportional to 4,478.64, 6,716.94 and 1,705.62 is: 2,558.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,478.64 : 6,716.94 = 1,705.62 : x
  2. Step 2: Convert to fraction form
    4,478.64/6,716.94 = 1,705.62/x
  3. Step 3: Cross multiply
    4,478.64x = 6,716.94 × 1,705.62
  4. Step 4: Simplify right side
    4,478.64x = 11,456,547.20
  5. Step 5: Solve for x
    x = 11,456,547.20/4,478.64
  6. Step 6: Final answer
    x = 2,558.04

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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.