Home / 5,221.96-7,832.72-1,712.23

Finding the Fourth Proportional to 5,221.96, 7,832.72 and 1,712.23

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Solution

The fourth proportional to 5,221.96, 7,832.72 and 1,712.23 is: 2,568.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,221.96 : 7,832.72 = 1,712.23 : x
  2. Step 2: Convert to fraction form
    5,221.96/7,832.72 = 1,712.23/x
  3. Step 3: Cross multiply
    5,221.96x = 7,832.72 × 1,712.23
  4. Step 4: Simplify right side
    5,221.96x = 13,411,418.17
  5. Step 5: Solve for x
    x = 13,411,418.17/5,221.96
  6. Step 6: Final answer
    x = 2,568.27

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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.