Home / 7,729.32-10,667.12-4,372.73

Finding the Fourth Proportional to 7,729.32, 10,667.12 and 4,372.73

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Solution

The fourth proportional to 7,729.32, 10,667.12 and 4,372.73 is: 6,034.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,729.32 : 10,667.12 = 4,372.73 : x
  2. Step 2: Convert to fraction form
    7,729.32/10,667.12 = 4,372.73/x
  3. Step 3: Cross multiply
    7,729.32x = 10,667.12 × 4,372.73
  4. Step 4: Simplify right side
    7,729.32x = 46,644,435.64
  5. Step 5: Solve for x
    x = 46,644,435.64/7,729.32
  6. Step 6: Final answer
    x = 6,034.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.