Home / 6,318.88-9,474.81-2,420.08

Finding the Fourth Proportional to 6,318.88, 9,474.81 and 2,420.08

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Solution

The fourth proportional to 6,318.88, 9,474.81 and 2,420.08 is: 3,628.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,318.88 : 9,474.81 = 2,420.08 : x
  2. Step 2: Convert to fraction form
    6,318.88/9,474.81 = 2,420.08/x
  3. Step 3: Cross multiply
    6,318.88x = 9,474.81 × 2,420.08
  4. Step 4: Simplify right side
    6,318.88x = 22,929,798.18
  5. Step 5: Solve for x
    x = 22,929,798.18/6,318.88
  6. Step 6: Final answer
    x = 3,628.78

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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.