Home / 7,014.16-10,520.20-2,630.80

Finding the Fourth Proportional to 7,014.16, 10,520.20 and 2,630.80

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Solution

The fourth proportional to 7,014.16, 10,520.20 and 2,630.80 is: 3,945.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,014.16 : 10,520.20 = 2,630.80 : x
  2. Step 2: Convert to fraction form
    7,014.16/10,520.20 = 2,630.80/x
  3. Step 3: Cross multiply
    7,014.16x = 10,520.20 × 2,630.80
  4. Step 4: Simplify right side
    7,014.16x = 27,676,542.16
  5. Step 5: Solve for x
    x = 27,676,542.16/7,014.16
  6. Step 6: Final answer
    x = 3,945.81

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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.