Home / 6,431.12-9,637.44-3,651.92

Finding the Fourth Proportional to 6,431.12, 9,637.44 and 3,651.92

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Solution

The fourth proportional to 6,431.12, 9,637.44 and 3,651.92 is: 5,472.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,431.12 : 9,637.44 = 3,651.92 : x
  2. Step 2: Convert to fraction form
    6,431.12/9,637.44 = 3,651.92/x
  3. Step 3: Cross multiply
    6,431.12x = 9,637.44 × 3,651.92
  4. Step 4: Simplify right side
    6,431.12x = 35,195,111.70
  5. Step 5: Solve for x
    x = 35,195,111.70/6,431.12
  6. Step 6: Final answer
    x = 5,472.63

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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.