Home / 8,969.02-13,444.26-3,420.88

Finding the Fourth Proportional to 8,969.02, 13,444.26 and 3,420.88

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Solution

The fourth proportional to 8,969.02, 13,444.26 and 3,420.88 is: 5,127.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,969.02 : 13,444.26 = 3,420.88 : x
  2. Step 2: Convert to fraction form
    8,969.02/13,444.26 = 3,420.88/x
  3. Step 3: Cross multiply
    8,969.02x = 13,444.26 × 3,420.88
  4. Step 4: Simplify right side
    8,969.02x = 45,991,200.15
  5. Step 5: Solve for x
    x = 45,991,200.15/8,969.02
  6. Step 6: Final answer
    x = 5,127.78

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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.