Home / 7,660.17-11,490.30-2,730.60

Finding the Fourth Proportional to 7,660.17, 11,490.30 and 2,730.60

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Solution

The fourth proportional to 7,660.17, 11,490.30 and 2,730.60 is: 4,095.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,660.17 : 11,490.30 = 2,730.60 : x
  2. Step 2: Convert to fraction form
    7,660.17/11,490.30 = 2,730.60/x
  3. Step 3: Cross multiply
    7,660.17x = 11,490.30 × 2,730.60
  4. Step 4: Simplify right side
    7,660.17x = 31,375,413.18
  5. Step 5: Solve for x
    x = 31,375,413.18/7,660.17
  6. Step 6: Final answer
    x = 4,095.92

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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.