Home / 7,447.93-11,177.28-2,768.59

Finding the Fourth Proportional to 7,447.93, 11,177.28 and 2,768.59

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Solution

The fourth proportional to 7,447.93, 11,177.28 and 2,768.59 is: 4,154.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,447.93 : 11,177.28 = 2,768.59 : x
  2. Step 2: Convert to fraction form
    7,447.93/11,177.28 = 2,768.59/x
  3. Step 3: Cross multiply
    7,447.93x = 11,177.28 × 2,768.59
  4. Step 4: Simplify right side
    7,447.93x = 30,945,305.64
  5. Step 5: Solve for x
    x = 30,945,305.64/7,447.93
  6. Step 6: Final answer
    x = 4,154.89

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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.