Home / 8,409.22-11,604.81-4,871.14

Finding the Fourth Proportional to 8,409.22, 11,604.81 and 4,871.14

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Solution

The fourth proportional to 8,409.22, 11,604.81 and 4,871.14 is: 6,722.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,409.22 : 11,604.81 = 4,871.14 : x
  2. Step 2: Convert to fraction form
    8,409.22/11,604.81 = 4,871.14/x
  3. Step 3: Cross multiply
    8,409.22x = 11,604.81 × 4,871.14
  4. Step 4: Simplify right side
    8,409.22x = 56,528,654.18
  5. Step 5: Solve for x
    x = 56,528,654.18/8,409.22
  6. Step 6: Final answer
    x = 6,722.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.