Home / 5,972.28-8,959.32-1,811.76

Finding the Fourth Proportional to 5,972.28, 8,959.32 and 1,811.76

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Solution

The fourth proportional to 5,972.28, 8,959.32 and 1,811.76 is: 2,717.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,972.28 : 8,959.32 = 1,811.76 : x
  2. Step 2: Convert to fraction form
    5,972.28/8,959.32 = 1,811.76/x
  3. Step 3: Cross multiply
    5,972.28x = 8,959.32 × 1,811.76
  4. Step 4: Simplify right side
    5,972.28x = 16,232,137.60
  5. Step 5: Solve for x
    x = 16,232,137.60/5,972.28
  6. Step 6: Final answer
    x = 2,717.91

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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.