Home / 7,930.44-11,892.54-2,931.24

Finding the Fourth Proportional to 7,930.44, 11,892.54 and 2,931.24

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Solution

The fourth proportional to 7,930.44, 11,892.54 and 2,931.24 is: 4,395.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,930.44 : 11,892.54 = 2,931.24 : x
  2. Step 2: Convert to fraction form
    7,930.44/11,892.54 = 2,931.24/x
  3. Step 3: Cross multiply
    7,930.44x = 11,892.54 × 2,931.24
  4. Step 4: Simplify right side
    7,930.44x = 34,859,888.95
  5. Step 5: Solve for x
    x = 34,859,888.95/7,930.44
  6. Step 6: Final answer
    x = 4,395.71

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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.