Home / 6,541.20-9,800.64-4,318.56

Finding the Fourth Proportional to 6,541.20, 9,800.64 and 4,318.56

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Solution

The fourth proportional to 6,541.20, 9,800.64 and 4,318.56 is: 6,470.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,541.20 : 9,800.64 = 4,318.56 : x
  2. Step 2: Convert to fraction form
    6,541.20/9,800.64 = 4,318.56/x
  3. Step 3: Cross multiply
    6,541.20x = 9,800.64 × 4,318.56
  4. Step 4: Simplify right side
    6,541.20x = 42,324,651.88
  5. Step 5: Solve for x
    x = 42,324,651.88/6,541.20
  6. Step 6: Final answer
    x = 6,470.47

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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.