Home / 5,015.73-6,921.87-2,777.67

Finding the Fourth Proportional to 5,015.73, 6,921.87 and 2,777.67

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Solution

The fourth proportional to 5,015.73, 6,921.87 and 2,777.67 is: 3,833.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,015.73 : 6,921.87 = 2,777.67 : x
  2. Step 2: Convert to fraction form
    5,015.73/6,921.87 = 2,777.67/x
  3. Step 3: Cross multiply
    5,015.73x = 6,921.87 × 2,777.67
  4. Step 4: Simplify right side
    5,015.73x = 19,226,670.64
  5. Step 5: Solve for x
    x = 19,226,670.64/5,015.73
  6. Step 6: Final answer
    x = 3,833.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.