Home / 9,322.98-13,986.90-3,480.05

Finding the Fourth Proportional to 9,322.98, 13,986.90 and 3,480.05

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Solution

The fourth proportional to 9,322.98, 13,986.90 and 3,480.05 is: 5,220.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,322.98 : 13,986.90 = 3,480.05 : x
  2. Step 2: Convert to fraction form
    9,322.98/13,986.90 = 3,480.05/x
  3. Step 3: Cross multiply
    9,322.98x = 13,986.90 × 3,480.05
  4. Step 4: Simplify right side
    9,322.98x = 48,675,041.41
  5. Step 5: Solve for x
    x = 48,675,041.41/9,322.98
  6. Step 6: Final answer
    x = 5,220.97

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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.