Home / 9,279.08-12,805.46-6,632.81

Finding the Fourth Proportional to 9,279.08, 12,805.46 and 6,632.81

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Solution

The fourth proportional to 9,279.08, 12,805.46 and 6,632.81 is: 9,153.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,279.08 : 12,805.46 = 6,632.81 : x
  2. Step 2: Convert to fraction form
    9,279.08/12,805.46 = 6,632.81/x
  3. Step 3: Cross multiply
    9,279.08x = 12,805.46 × 6,632.81
  4. Step 4: Simplify right side
    9,279.08x = 84,936,183.14
  5. Step 5: Solve for x
    x = 84,936,183.14/9,279.08
  6. Step 6: Final answer
    x = 9,153.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.