Home / 4,327.22-6,485.19-1,986.38

Finding the Fourth Proportional to 4,327.22, 6,485.19 and 1,986.38

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Solution

The fourth proportional to 4,327.22, 6,485.19 and 1,986.38 is: 2,976.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,327.22 : 6,485.19 = 1,986.38 : x
  2. Step 2: Convert to fraction form
    4,327.22/6,485.19 = 1,986.38/x
  3. Step 3: Cross multiply
    4,327.22x = 6,485.19 × 1,986.38
  4. Step 4: Simplify right side
    4,327.22x = 12,882,051.71
  5. Step 5: Solve for x
    x = 12,882,051.71/4,327.22
  6. Step 6: Final answer
    x = 2,976.98

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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.