Home / 6,290.20-9,429.72-3,166.12

Finding the Fourth Proportional to 6,290.20, 9,429.72 and 3,166.12

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Solution

The fourth proportional to 6,290.20, 9,429.72 and 3,166.12 is: 4,746.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,290.20 : 9,429.72 = 3,166.12 : x
  2. Step 2: Convert to fraction form
    6,290.20/9,429.72 = 3,166.12/x
  3. Step 3: Cross multiply
    6,290.20x = 9,429.72 × 3,166.12
  4. Step 4: Simplify right side
    6,290.20x = 29,855,625.09
  5. Step 5: Solve for x
    x = 29,855,625.09/6,290.20
  6. Step 6: Final answer
    x = 4,746.37

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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.