Home / 7,787.28-11,683.26-3,629.76

Finding the Fourth Proportional to 7,787.28, 11,683.26 and 3,629.76

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Solution

The fourth proportional to 7,787.28, 11,683.26 and 3,629.76 is: 5,445.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,787.28 : 11,683.26 = 3,629.76 : x
  2. Step 2: Convert to fraction form
    7,787.28/11,683.26 = 3,629.76/x
  3. Step 3: Cross multiply
    7,787.28x = 11,683.26 × 3,629.76
  4. Step 4: Simplify right side
    7,787.28x = 42,407,429.82
  5. Step 5: Solve for x
    x = 42,407,429.82/7,787.28
  6. Step 6: Final answer
    x = 5,445.73

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1.5x scale

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.