Home / 5,044.50-7,566.66-2,120.76

Finding the Fourth Proportional to 5,044.50, 7,566.66 and 2,120.76

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Solution

The fourth proportional to 5,044.50, 7,566.66 and 2,120.76 is: 3,181.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,044.50 : 7,566.66 = 2,120.76 : x
  2. Step 2: Convert to fraction form
    5,044.50/7,566.66 = 2,120.76/x
  3. Step 3: Cross multiply
    5,044.50x = 7,566.66 × 2,120.76
  4. Step 4: Simplify right side
    5,044.50x = 16,047,069.86
  5. Step 5: Solve for x
    x = 16,047,069.86/5,044.50
  6. Step 6: Final answer
    x = 3,181.10

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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.