Home / 7,628.62-10,519.17-6,625.04

Finding the Fourth Proportional to 7,628.62, 10,519.17 and 6,625.04

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Solution

The fourth proportional to 7,628.62, 10,519.17 and 6,625.04 is: 9,135.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,628.62 : 10,519.17 = 6,625.04 : x
  2. Step 2: Convert to fraction form
    7,628.62/10,519.17 = 6,625.04/x
  3. Step 3: Cross multiply
    7,628.62x = 10,519.17 × 6,625.04
  4. Step 4: Simplify right side
    7,628.62x = 69,689,922.02
  5. Step 5: Solve for x
    x = 69,689,922.02/7,628.62
  6. Step 6: Final answer
    x = 9,135.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.