Home / 4,115.70-6,172.01-1,304.21

Finding the Fourth Proportional to 4,115.70, 6,172.01 and 1,304.21

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Solution

The fourth proportional to 4,115.70, 6,172.01 and 1,304.21 is: 1,955.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,115.70 : 6,172.01 = 1,304.21 : x
  2. Step 2: Convert to fraction form
    4,115.70/6,172.01 = 1,304.21/x
  3. Step 3: Cross multiply
    4,115.70x = 6,172.01 × 1,304.21
  4. Step 4: Simplify right side
    4,115.70x = 8,049,582.42
  5. Step 5: Solve for x
    x = 8,049,582.42/4,115.70
  6. Step 6: Final answer
    x = 1,955.82

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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.