Home / 5,412.92-8,116.32-1,716.08

Finding the Fourth Proportional to 5,412.92, 8,116.32 and 1,716.08

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Solution

The fourth proportional to 5,412.92, 8,116.32 and 1,716.08 is: 2,573.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,412.92 : 8,116.32 = 1,716.08 : x
  2. Step 2: Convert to fraction form
    5,412.92/8,116.32 = 1,716.08/x
  3. Step 3: Cross multiply
    5,412.92x = 8,116.32 × 1,716.08
  4. Step 4: Simplify right side
    5,412.92x = 13,928,254.43
  5. Step 5: Solve for x
    x = 13,928,254.43/5,412.92
  6. Step 6: Final answer
    x = 2,573.15

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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.