Home / 6,960.20-10,440.30-4,465.40

Finding the Fourth Proportional to 6,960.20, 10,440.30 and 4,465.40

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Solution

The fourth proportional to 6,960.20, 10,440.30 and 4,465.40 is: 6,698.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,960.20 : 10,440.30 = 4,465.40 : x
  2. Step 2: Convert to fraction form
    6,960.20/10,440.30 = 4,465.40/x
  3. Step 3: Cross multiply
    6,960.20x = 10,440.30 × 4,465.40
  4. Step 4: Simplify right side
    6,960.20x = 46,620,115.62
  5. Step 5: Solve for x
    x = 46,620,115.62/6,960.20
  6. Step 6: Final answer
    x = 6,698.10

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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.