Home / 6,339.05-9,506.56-2,178.06

Finding the Fourth Proportional to 6,339.05, 9,506.56 and 2,178.06

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Solution

The fourth proportional to 6,339.05, 9,506.56 and 2,178.06 is: 3,266.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,339.05 : 9,506.56 = 2,178.06 : x
  2. Step 2: Convert to fraction form
    6,339.05/9,506.56 = 2,178.06/x
  3. Step 3: Cross multiply
    6,339.05x = 9,506.56 × 2,178.06
  4. Step 4: Simplify right side
    6,339.05x = 20,705,816.98
  5. Step 5: Solve for x
    x = 20,705,816.98/6,339.05
  6. Step 6: Final answer
    x = 3,266.39

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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.