Home / 7,014.28-10,520.16-2,630.84

Finding the Fourth Proportional to 7,014.28, 10,520.16 and 2,630.84

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Solution

The fourth proportional to 7,014.28, 10,520.16 and 2,630.84 is: 3,945.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,014.28 : 10,520.16 = 2,630.84 : x
  2. Step 2: Convert to fraction form
    7,014.28/10,520.16 = 2,630.84/x
  3. Step 3: Cross multiply
    7,014.28x = 10,520.16 × 2,630.84
  4. Step 4: Simplify right side
    7,014.28x = 27,676,857.73
  5. Step 5: Solve for x
    x = 27,676,857.73/7,014.28
  6. Step 6: Final answer
    x = 3,945.79

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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.