Home / 6,318.56-9,478.96-2,159.04

Finding the Fourth Proportional to 6,318.56, 9,478.96 and 2,159.04

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Solution

The fourth proportional to 6,318.56, 9,478.96 and 2,159.04 is: 3,238.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,318.56 : 9,478.96 = 2,159.04 : x
  2. Step 2: Convert to fraction form
    6,318.56/9,478.96 = 2,159.04/x
  3. Step 3: Cross multiply
    6,318.56x = 9,478.96 × 2,159.04
  4. Step 4: Simplify right side
    6,318.56x = 20,465,453.80
  5. Step 5: Solve for x
    x = 20,465,453.80/6,318.56
  6. Step 6: Final answer
    x = 3,238.94

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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.