Home / 4,304.81-6,450.91-2,115.11

Finding the Fourth Proportional to 4,304.81, 6,450.91 and 2,115.11

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Solution

The fourth proportional to 4,304.81, 6,450.91 and 2,115.11 is: 3,169.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,304.81 : 6,450.91 = 2,115.11 : x
  2. Step 2: Convert to fraction form
    4,304.81/6,450.91 = 2,115.11/x
  3. Step 3: Cross multiply
    4,304.81x = 6,450.91 × 2,115.11
  4. Step 4: Simplify right side
    4,304.81x = 13,644,395.09
  5. Step 5: Solve for x
    x = 13,644,395.09/4,304.81
  6. Step 6: Final answer
    x = 3,169.57

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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.