Home / 6,960.20-10,464.60-6,814.40

Finding the Fourth Proportional to 6,960.20, 10,464.60 and 6,814.40

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Solution

The fourth proportional to 6,960.20, 10,464.60 and 6,814.40 is: 10,245.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,960.20 : 10,464.60 = 6,814.40 : x
  2. Step 2: Convert to fraction form
    6,960.20/10,464.60 = 6,814.40/x
  3. Step 3: Cross multiply
    6,960.20x = 10,464.60 × 6,814.40
  4. Step 4: Simplify right side
    6,960.20x = 71,309,970.24
  5. Step 5: Solve for x
    x = 71,309,970.24/6,960.20
  6. Step 6: Final answer
    x = 10,245.39

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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.