Home / 4,311.01-6,466.79-1,388.94

Finding the Fourth Proportional to 4,311.01, 6,466.79 and 1,388.94

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Solution

The fourth proportional to 4,311.01, 6,466.79 and 1,388.94 is: 2,083.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,311.01 : 6,466.79 = 1,388.94 : x
  2. Step 2: Convert to fraction form
    4,311.01/6,466.79 = 1,388.94/x
  3. Step 3: Cross multiply
    4,311.01x = 6,466.79 × 1,388.94
  4. Step 4: Simplify right side
    4,311.01x = 8,981,983.30
  5. Step 5: Solve for x
    x = 8,981,983.30/4,311.01
  6. Step 6: Final answer
    x = 2,083.50

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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.