Home / 6,289.06-8,679.66-3,637.12

Finding the Fourth Proportional to 6,289.06, 8,679.66 and 3,637.12

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Solution

The fourth proportional to 6,289.06, 8,679.66 and 3,637.12 is: 5,019.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,289.06 : 8,679.66 = 3,637.12 : x
  2. Step 2: Convert to fraction form
    6,289.06/8,679.66 = 3,637.12/x
  3. Step 3: Cross multiply
    6,289.06x = 8,679.66 × 3,637.12
  4. Step 4: Simplify right side
    6,289.06x = 31,568,964.98
  5. Step 5: Solve for x
    x = 31,568,964.98/6,289.06
  6. Step 6: Final answer
    x = 5,019.66

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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.