Home / 7,392.02-11,087.94-2,127.15

Finding the Fourth Proportional to 7,392.02, 11,087.94 and 2,127.15

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Solution

The fourth proportional to 7,392.02, 11,087.94 and 2,127.15 is: 3,190.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,392.02 : 11,087.94 = 2,127.15 : x
  2. Step 2: Convert to fraction form
    7,392.02/11,087.94 = 2,127.15/x
  3. Step 3: Cross multiply
    7,392.02x = 11,087.94 × 2,127.15
  4. Step 4: Simplify right side
    7,392.02x = 23,585,711.57
  5. Step 5: Solve for x
    x = 23,585,711.57/7,392.02
  6. Step 6: Final answer
    x = 3,190.70

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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.