Home / 6,239.34-9,356.46-3,118.20

Finding the Fourth Proportional to 6,239.34, 9,356.46 and 3,118.20

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Solution

The fourth proportional to 6,239.34, 9,356.46 and 3,118.20 is: 4,676.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,239.34 : 9,356.46 = 3,118.20 : x
  2. Step 2: Convert to fraction form
    6,239.34/9,356.46 = 3,118.20/x
  3. Step 3: Cross multiply
    6,239.34x = 9,356.46 × 3,118.20
  4. Step 4: Simplify right side
    6,239.34x = 29,175,313.57
  5. Step 5: Solve for x
    x = 29,175,313.57/6,239.34
  6. Step 6: Final answer
    x = 4,676.03

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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.