Home / 6,443.06-9,664.27-3,776.13

Finding the Fourth Proportional to 6,443.06, 9,664.27 and 3,776.13

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Solution

The fourth proportional to 6,443.06, 9,664.27 and 3,776.13 is: 5,664.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,443.06 : 9,664.27 = 3,776.13 : x
  2. Step 2: Convert to fraction form
    6,443.06/9,664.27 = 3,776.13/x
  3. Step 3: Cross multiply
    6,443.06x = 9,664.27 × 3,776.13
  4. Step 4: Simplify right side
    6,443.06x = 36,493,539.88
  5. Step 5: Solve for x
    x = 36,493,539.88/6,443.06
  6. Step 6: Final answer
    x = 5,664.01

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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.