Home / 7,983.04-11,976.72-4,522.72

Finding the Fourth Proportional to 7,983.04, 11,976.72 and 4,522.72

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Solution

The fourth proportional to 7,983.04, 11,976.72 and 4,522.72 is: 6,785.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,983.04 : 11,976.72 = 4,522.72 : x
  2. Step 2: Convert to fraction form
    7,983.04/11,976.72 = 4,522.72/x
  3. Step 3: Cross multiply
    7,983.04x = 11,976.72 × 4,522.72
  4. Step 4: Simplify right side
    7,983.04x = 54,167,351.08
  5. Step 5: Solve for x
    x = 54,167,351.08/7,983.04
  6. Step 6: Final answer
    x = 6,785.30

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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.