Home / 8,549.28-12,822.63-2,705.13

Finding the Fourth Proportional to 8,549.28, 12,822.63 and 2,705.13

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Solution

The fourth proportional to 8,549.28, 12,822.63 and 2,705.13 is: 4,057.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,549.28 : 12,822.63 = 2,705.13 : x
  2. Step 2: Convert to fraction form
    8,549.28/12,822.63 = 2,705.13/x
  3. Step 3: Cross multiply
    8,549.28x = 12,822.63 × 2,705.13
  4. Step 4: Simplify right side
    8,549.28x = 34,686,816.98
  5. Step 5: Solve for x
    x = 34,686,816.98/8,549.28
  6. Step 6: Final answer
    x = 4,057.28

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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.