Home / 7,930.56-11,883.49-2,997.51

Finding the Fourth Proportional to 7,930.56, 11,883.49 and 2,997.51

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Solution

The fourth proportional to 7,930.56, 11,883.49 and 2,997.51 is: 4,491.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,930.56 : 11,883.49 = 2,997.51 : x
  2. Step 2: Convert to fraction form
    7,930.56/11,883.49 = 2,997.51/x
  3. Step 3: Cross multiply
    7,930.56x = 11,883.49 × 2,997.51
  4. Step 4: Simplify right side
    7,930.56x = 35,620,880.11
  5. Step 5: Solve for x
    x = 35,620,880.11/7,930.56
  6. Step 6: Final answer
    x = 4,491.60

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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.