Home / 8,989.53-13,481.15-3,444.45

Finding the Fourth Proportional to 8,989.53, 13,481.15 and 3,444.45

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Solution

The fourth proportional to 8,989.53, 13,481.15 and 3,444.45 is: 5,165.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,989.53 : 13,481.15 = 3,444.45 : x
  2. Step 2: Convert to fraction form
    8,989.53/13,481.15 = 3,444.45/x
  3. Step 3: Cross multiply
    8,989.53x = 13,481.15 × 3,444.45
  4. Step 4: Simplify right side
    8,989.53x = 46,435,129.90
  5. Step 5: Solve for x
    x = 46,435,129.90/8,989.53
  6. Step 6: Final answer
    x = 5,165.47

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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.