Home / 5,448.02-8,170.80-2,671.90

Finding the Fourth Proportional to 5,448.02, 8,170.80 and 2,671.90

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Solution

The fourth proportional to 5,448.02, 8,170.80 and 2,671.90 is: 4,007.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,448.02 : 8,170.80 = 2,671.90 : x
  2. Step 2: Convert to fraction form
    5,448.02/8,170.80 = 2,671.90/x
  3. Step 3: Cross multiply
    5,448.02x = 8,170.80 × 2,671.90
  4. Step 4: Simplify right side
    5,448.02x = 21,831,560.52
  5. Step 5: Solve for x
    x = 21,831,560.52/5,448.02
  6. Step 6: Final answer
    x = 4,007.25

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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.