Home / 7,560.81-11,339.49-2,879.14

Finding the Fourth Proportional to 7,560.81, 11,339.49 and 2,879.14

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Solution

The fourth proportional to 7,560.81, 11,339.49 and 2,879.14 is: 4,318.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,560.81 : 11,339.49 = 2,879.14 : x
  2. Step 2: Convert to fraction form
    7,560.81/11,339.49 = 2,879.14/x
  3. Step 3: Cross multiply
    7,560.81x = 11,339.49 × 2,879.14
  4. Step 4: Simplify right side
    7,560.81x = 32,647,979.24
  5. Step 5: Solve for x
    x = 32,647,979.24/7,560.81
  6. Step 6: Final answer
    x = 4,318.05

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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.