Home / 7,989.93-11,976.17-4,094.55

Finding the Fourth Proportional to 7,989.93, 11,976.17 and 4,094.55

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Solution

The fourth proportional to 7,989.93, 11,976.17 and 4,094.55 is: 6,137.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,989.93 : 11,976.17 = 4,094.55 : x
  2. Step 2: Convert to fraction form
    7,989.93/11,976.17 = 4,094.55/x
  3. Step 3: Cross multiply
    7,989.93x = 11,976.17 × 4,094.55
  4. Step 4: Simplify right side
    7,989.93x = 49,037,006.40
  5. Step 5: Solve for x
    x = 49,037,006.40/7,989.93
  6. Step 6: Final answer
    x = 6,137.35

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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.