Home / 5,061.28-6,989.97-4,511.56

Finding the Fourth Proportional to 5,061.28, 6,989.97 and 4,511.56

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Solution

The fourth proportional to 5,061.28, 6,989.97 and 4,511.56 is: 6,230.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,061.28 : 6,989.97 = 4,511.56 : x
  2. Step 2: Convert to fraction form
    5,061.28/6,989.97 = 4,511.56/x
  3. Step 3: Cross multiply
    5,061.28x = 6,989.97 × 4,511.56
  4. Step 4: Simplify right side
    5,061.28x = 31,535,669.05
  5. Step 5: Solve for x
    x = 31,535,669.05/5,061.28
  6. Step 6: Final answer
    x = 6,230.77

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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.