Home / 7,529.96-10,391.41-4,172.83

Finding the Fourth Proportional to 7,529.96, 10,391.41 and 4,172.83

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Solution

The fourth proportional to 7,529.96, 10,391.41 and 4,172.83 is: 5,758.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,529.96 : 10,391.41 = 4,172.83 : x
  2. Step 2: Convert to fraction form
    7,529.96/10,391.41 = 4,172.83/x
  3. Step 3: Cross multiply
    7,529.96x = 10,391.41 × 4,172.83
  4. Step 4: Simplify right side
    7,529.96x = 43,361,598.73
  5. Step 5: Solve for x
    x = 43,361,598.73/7,529.96
  6. Step 6: Final answer
    x = 5,758.54

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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.