Home / 6,619.32-9,131.94-4,383.72

Finding the Fourth Proportional to 6,619.32, 9,131.94 and 4,383.72

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Solution

The fourth proportional to 6,619.32, 9,131.94 and 4,383.72 is: 6,047.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,619.32 : 9,131.94 = 4,383.72 : x
  2. Step 2: Convert to fraction form
    6,619.32/9,131.94 = 4,383.72/x
  3. Step 3: Cross multiply
    6,619.32x = 9,131.94 × 4,383.72
  4. Step 4: Simplify right side
    6,619.32x = 40,031,868.02
  5. Step 5: Solve for x
    x = 40,031,868.02/6,619.32
  6. Step 6: Final answer
    x = 6,047.73

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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.