Home / 6,463.23-9,697.15-3,178.64

Finding the Fourth Proportional to 6,463.23, 9,697.15 and 3,178.64

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Solution

The fourth proportional to 6,463.23, 9,697.15 and 3,178.64 is: 4,769.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,463.23 : 9,697.15 = 3,178.64 : x
  2. Step 2: Convert to fraction form
    6,463.23/9,697.15 = 3,178.64/x
  3. Step 3: Cross multiply
    6,463.23x = 9,697.15 × 3,178.64
  4. Step 4: Simplify right side
    6,463.23x = 30,823,777.09
  5. Step 5: Solve for x
    x = 30,823,777.09/6,463.23
  6. Step 6: Final answer
    x = 4,769.10

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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.