Home / 6,257.22-8,637.72-3,900.92

Finding the Fourth Proportional to 6,257.22, 8,637.72 and 3,900.92

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Solution

The fourth proportional to 6,257.22, 8,637.72 and 3,900.92 is: 5,384.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,257.22 : 8,637.72 = 3,900.92 : x
  2. Step 2: Convert to fraction form
    6,257.22/8,637.72 = 3,900.92/x
  3. Step 3: Cross multiply
    6,257.22x = 8,637.72 × 3,900.92
  4. Step 4: Simplify right side
    6,257.22x = 33,695,054.70
  5. Step 5: Solve for x
    x = 33,695,054.70/6,257.22
  6. Step 6: Final answer
    x = 5,384.99

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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.