Home / 7,772.10-11,654.72-2,224.18

Finding the Fourth Proportional to 7,772.10, 11,654.72 and 2,224.18

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Solution

The fourth proportional to 7,772.10, 11,654.72 and 2,224.18 is: 3,335.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,772.10 : 11,654.72 = 2,224.18 : x
  2. Step 2: Convert to fraction form
    7,772.10/11,654.72 = 2,224.18/x
  3. Step 3: Cross multiply
    7,772.10x = 11,654.72 × 2,224.18
  4. Step 4: Simplify right side
    7,772.10x = 25,922,154.87
  5. Step 5: Solve for x
    x = 25,922,154.87/7,772.10
  6. Step 6: Final answer
    x = 3,335.28

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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.