Home / 5,612.82-8,419.25-1,717.21

Finding the Fourth Proportional to 5,612.82, 8,419.25 and 1,717.21

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Solution

The fourth proportional to 5,612.82, 8,419.25 and 1,717.21 is: 2,575.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,612.82 : 8,419.25 = 1,717.21 : x
  2. Step 2: Convert to fraction form
    5,612.82/8,419.25 = 1,717.21/x
  3. Step 3: Cross multiply
    5,612.82x = 8,419.25 × 1,717.21
  4. Step 4: Simplify right side
    5,612.82x = 14,457,620.29
  5. Step 5: Solve for x
    x = 14,457,620.29/5,612.82
  6. Step 6: Final answer
    x = 2,575.82

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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.