Home / 6,960.43-10,378.56-6,187.69

Finding the Fourth Proportional to 6,960.43, 10,378.56 and 6,187.69

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Solution

The fourth proportional to 6,960.43, 10,378.56 and 6,187.69 is: 9,226.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,960.43 : 10,378.56 = 6,187.69 : x
  2. Step 2: Convert to fraction form
    6,960.43/10,378.56 = 6,187.69/x
  3. Step 3: Cross multiply
    6,960.43x = 10,378.56 × 6,187.69
  4. Step 4: Simplify right side
    6,960.43x = 64,219,311.93
  5. Step 5: Solve for x
    x = 64,219,311.93/6,960.43
  6. Step 6: Final answer
    x = 9,226.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.