Home / 9,267.42-13,899.20-3,420.03

Finding the Fourth Proportional to 9,267.42, 13,899.20 and 3,420.03

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Solution

The fourth proportional to 9,267.42, 13,899.20 and 3,420.03 is: 5,129.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,267.42 : 13,899.20 = 3,420.03 : x
  2. Step 2: Convert to fraction form
    9,267.42/13,899.20 = 3,420.03/x
  3. Step 3: Cross multiply
    9,267.42x = 13,899.20 × 3,420.03
  4. Step 4: Simplify right side
    9,267.42x = 47,535,680.98
  5. Step 5: Solve for x
    x = 47,535,680.98/9,267.42
  6. Step 6: Final answer
    x = 5,129.33

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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.