Home / 6,772.20-10,143.58-4,300.84

Finding the Fourth Proportional to 6,772.20, 10,143.58 and 4,300.84

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Solution

The fourth proportional to 6,772.20, 10,143.58 and 4,300.84 is: 6,441.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,772.20 : 10,143.58 = 4,300.84 : x
  2. Step 2: Convert to fraction form
    6,772.20/10,143.58 = 4,300.84/x
  3. Step 3: Cross multiply
    6,772.20x = 10,143.58 × 4,300.84
  4. Step 4: Simplify right side
    6,772.20x = 43,625,914.61
  5. Step 5: Solve for x
    x = 43,625,914.61/6,772.20
  6. Step 6: Final answer
    x = 6,441.91

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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.