Home / 7,960.10-11,946.35-5,512.07

Finding the Fourth Proportional to 7,960.10, 11,946.35 and 5,512.07

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Solution

The fourth proportional to 7,960.10, 11,946.35 and 5,512.07 is: 8,272.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,960.10 : 11,946.35 = 5,512.07 : x
  2. Step 2: Convert to fraction form
    7,960.10/11,946.35 = 5,512.07/x
  3. Step 3: Cross multiply
    7,960.10x = 11,946.35 × 5,512.07
  4. Step 4: Simplify right side
    7,960.10x = 65,849,161.09
  5. Step 5: Solve for x
    x = 65,849,161.09/7,960.10
  6. Step 6: Final answer
    x = 8,272.41

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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.