Home / 8,940.06-12,339.71-5,954.80

Finding the Fourth Proportional to 8,940.06, 12,339.71 and 5,954.80

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Solution

The fourth proportional to 8,940.06, 12,339.71 and 5,954.80 is: 8,219.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,940.06 : 12,339.71 = 5,954.80 : x
  2. Step 2: Convert to fraction form
    8,940.06/12,339.71 = 5,954.80/x
  3. Step 3: Cross multiply
    8,940.06x = 12,339.71 × 5,954.80
  4. Step 4: Simplify right side
    8,940.06x = 73,480,505.11
  5. Step 5: Solve for x
    x = 73,480,505.11/8,940.06
  6. Step 6: Final answer
    x = 8,219.24

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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.