Home / 5,453.28-8,179.08-2,989.32

Finding the Fourth Proportional to 5,453.28, 8,179.08 and 2,989.32

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Solution

The fourth proportional to 5,453.28, 8,179.08 and 2,989.32 is: 4,483.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,453.28 : 8,179.08 = 2,989.32 : x
  2. Step 2: Convert to fraction form
    5,453.28/8,179.08 = 2,989.32/x
  3. Step 3: Cross multiply
    5,453.28x = 8,179.08 × 2,989.32
  4. Step 4: Simplify right side
    5,453.28x = 24,449,887.43
  5. Step 5: Solve for x
    x = 24,449,887.43/5,453.28
  6. Step 6: Final answer
    x = 4,483.52

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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.