Home / 6,234.20-9,329.70-4,290.20

Finding the Fourth Proportional to 6,234.20, 9,329.70 and 4,290.20

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Solution

The fourth proportional to 6,234.20, 9,329.70 and 4,290.20 is: 6,420.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,234.20 : 9,329.70 = 4,290.20 : x
  2. Step 2: Convert to fraction form
    6,234.20/9,329.70 = 4,290.20/x
  3. Step 3: Cross multiply
    6,234.20x = 9,329.70 × 4,290.20
  4. Step 4: Simplify right side
    6,234.20x = 40,026,278.94
  5. Step 5: Solve for x
    x = 40,026,278.94/6,234.20
  6. Step 6: Final answer
    x = 6,420.44

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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.