Home / 7,250.58-10,006.74-4,107.78

Finding the Fourth Proportional to 7,250.58, 10,006.74 and 4,107.78

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Solution

The fourth proportional to 7,250.58, 10,006.74 and 4,107.78 is: 5,669.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,250.58 : 10,006.74 = 4,107.78 : x
  2. Step 2: Convert to fraction form
    7,250.58/10,006.74 = 4,107.78/x
  3. Step 3: Cross multiply
    7,250.58x = 10,006.74 × 4,107.78
  4. Step 4: Simplify right side
    7,250.58x = 41,105,486.44
  5. Step 5: Solve for x
    x = 41,105,486.44/7,250.58
  6. Step 6: Final answer
    x = 5,669.27

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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.