Home / 6,960.12-10,440.60-2,800.12

Finding the Fourth Proportional to 6,960.12, 10,440.60 and 2,800.12

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Solution

The fourth proportional to 6,960.12, 10,440.60 and 2,800.12 is: 4,200.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,960.12 : 10,440.60 = 2,800.12 : x
  2. Step 2: Convert to fraction form
    6,960.12/10,440.60 = 2,800.12/x
  3. Step 3: Cross multiply
    6,960.12x = 10,440.60 × 2,800.12
  4. Step 4: Simplify right side
    6,960.12x = 29,234,880.67
  5. Step 5: Solve for x
    x = 29,234,880.67/6,960.12
  6. Step 6: Final answer
    x = 4,200.34

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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.