Home / 8,549.21-12,822.54-2,705.06

Finding the Fourth Proportional to 8,549.21, 12,822.54 and 2,705.06

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Solution

The fourth proportional to 8,549.21, 12,822.54 and 2,705.06 is: 4,057.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,549.21 : 12,822.54 = 2,705.06 : x
  2. Step 2: Convert to fraction form
    8,549.21/12,822.54 = 2,705.06/x
  3. Step 3: Cross multiply
    8,549.21x = 12,822.54 × 2,705.06
  4. Step 4: Simplify right side
    8,549.21x = 34,685,761.96
  5. Step 5: Solve for x
    x = 34,685,761.96/8,549.21
  6. Step 6: Final answer
    x = 4,057.19

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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.