Home / 4,911.60-7,362.74-2,135.52

Finding the Fourth Proportional to 4,911.60, 7,362.74 and 2,135.52

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Solution

The fourth proportional to 4,911.60, 7,362.74 and 2,135.52 is: 3,201.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,911.60 : 7,362.74 = 2,135.52 : x
  2. Step 2: Convert to fraction form
    4,911.60/7,362.74 = 2,135.52/x
  3. Step 3: Cross multiply
    4,911.60x = 7,362.74 × 2,135.52
  4. Step 4: Simplify right side
    4,911.60x = 15,723,278.52
  5. Step 5: Solve for x
    x = 15,723,278.52/4,911.60
  6. Step 6: Final answer
    x = 3,201.25

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.