Home / 7,578.87-10,458.30-4,175.73

Finding the Fourth Proportional to 7,578.87, 10,458.30 and 4,175.73

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Solution

The fourth proportional to 7,578.87, 10,458.30 and 4,175.73 is: 5,762.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,578.87 : 10,458.30 = 4,175.73 : x
  2. Step 2: Convert to fraction form
    7,578.87/10,458.30 = 4,175.73/x
  3. Step 3: Cross multiply
    7,578.87x = 10,458.30 × 4,175.73
  4. Step 4: Simplify right side
    7,578.87x = 43,671,091.94
  5. Step 5: Solve for x
    x = 43,671,091.94/7,578.87
  6. Step 6: Final answer
    x = 5,762.21

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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.