Home / 7,714.45-11,572.28-2,168.25

Finding the Fourth Proportional to 7,714.45, 11,572.28 and 2,168.25

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Solution

The fourth proportional to 7,714.45, 11,572.28 and 2,168.25 is: 3,252.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,714.45 : 11,572.28 = 2,168.25 : x
  2. Step 2: Convert to fraction form
    7,714.45/11,572.28 = 2,168.25/x
  3. Step 3: Cross multiply
    7,714.45x = 11,572.28 × 2,168.25
  4. Step 4: Simplify right side
    7,714.45x = 25,091,596.11
  5. Step 5: Solve for x
    x = 25,091,596.11/7,714.45
  6. Step 6: Final answer
    x = 3,252.55

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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.