Home / 4,304.54-6,446.56-2,989.61

Finding the Fourth Proportional to 4,304.54, 6,446.56 and 2,989.61

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Solution

The fourth proportional to 4,304.54, 6,446.56 and 2,989.61 is: 4,477.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,304.54 : 6,446.56 = 2,989.61 : x
  2. Step 2: Convert to fraction form
    4,304.54/6,446.56 = 2,989.61/x
  3. Step 3: Cross multiply
    4,304.54x = 6,446.56 × 2,989.61
  4. Step 4: Simplify right side
    4,304.54x = 19,272,660.53
  5. Step 5: Solve for x
    x = 19,272,660.53/4,304.54
  6. Step 6: Final answer
    x = 4,477.29

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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.