Home / 5,007.87-7,508.63-2,666.43

Finding the Fourth Proportional to 5,007.87, 7,508.63 and 2,666.43

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Solution

The fourth proportional to 5,007.87, 7,508.63 and 2,666.43 is: 3,997.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,007.87 : 7,508.63 = 2,666.43 : x
  2. Step 2: Convert to fraction form
    5,007.87/7,508.63 = 2,666.43/x
  3. Step 3: Cross multiply
    5,007.87x = 7,508.63 × 2,666.43
  4. Step 4: Simplify right side
    5,007.87x = 20,021,222.96
  5. Step 5: Solve for x
    x = 20,021,222.96/5,007.87
  6. Step 6: Final answer
    x = 3,997.95

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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.