Home / 7,149.58-10,716.08-4,230.34

Finding the Fourth Proportional to 7,149.58, 10,716.08 and 4,230.34

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Solution

The fourth proportional to 7,149.58, 10,716.08 and 4,230.34 is: 6,340.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,149.58 : 10,716.08 = 4,230.34 : x
  2. Step 2: Convert to fraction form
    7,149.58/10,716.08 = 4,230.34/x
  3. Step 3: Cross multiply
    7,149.58x = 10,716.08 × 4,230.34
  4. Step 4: Simplify right side
    7,149.58x = 45,332,661.87
  5. Step 5: Solve for x
    x = 45,332,661.87/7,149.58
  6. Step 6: Final answer
    x = 6,340.60

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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.