Home / 7,931.28-11,897.06-3,003.24

Finding the Fourth Proportional to 7,931.28, 11,897.06 and 3,003.24

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Solution

The fourth proportional to 7,931.28, 11,897.06 and 3,003.24 is: 4,504.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,931.28 : 11,897.06 = 3,003.24 : x
  2. Step 2: Convert to fraction form
    7,931.28/11,897.06 = 3,003.24/x
  3. Step 3: Cross multiply
    7,931.28x = 11,897.06 × 3,003.24
  4. Step 4: Simplify right side
    7,931.28x = 35,729,772.97
  5. Step 5: Solve for x
    x = 35,729,772.97/7,931.28
  6. Step 6: Final answer
    x = 4,504.92

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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.