Home / 7,661.24-11,490.38-2,730.86

Finding the Fourth Proportional to 7,661.24, 11,490.38 and 2,730.86

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Solution

The fourth proportional to 7,661.24, 11,490.38 and 2,730.86 is: 4,095.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,661.24 : 11,490.38 = 2,730.86 : x
  2. Step 2: Convert to fraction form
    7,661.24/11,490.38 = 2,730.86/x
  3. Step 3: Cross multiply
    7,661.24x = 11,490.38 × 2,730.86
  4. Step 4: Simplify right side
    7,661.24x = 31,378,619.13
  5. Step 5: Solve for x
    x = 31,378,619.13/7,661.24
  6. Step 6: Final answer
    x = 4,095.76

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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.