Home / 6,745.60-10,108.15-4,775.25

Finding the Fourth Proportional to 6,745.60, 10,108.15 and 4,775.25

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Solution

The fourth proportional to 6,745.60, 10,108.15 and 4,775.25 is: 7,155.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,745.60 : 10,108.15 = 4,775.25 : x
  2. Step 2: Convert to fraction form
    6,745.60/10,108.15 = 4,775.25/x
  3. Step 3: Cross multiply
    6,745.60x = 10,108.15 × 4,775.25
  4. Step 4: Simplify right side
    6,745.60x = 48,268,943.29
  5. Step 5: Solve for x
    x = 48,268,943.29/6,745.60
  6. Step 6: Final answer
    x = 7,155.62

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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.