Home / 6,270.10-9,405.23-4,321.78

Finding the Fourth Proportional to 6,270.10, 9,405.23 and 4,321.78

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Solution

The fourth proportional to 6,270.10, 9,405.23 and 4,321.78 is: 6,482.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,270.10 : 9,405.23 = 4,321.78 : x
  2. Step 2: Convert to fraction form
    6,270.10/9,405.23 = 4,321.78/x
  3. Step 3: Cross multiply
    6,270.10x = 9,405.23 × 4,321.78
  4. Step 4: Simplify right side
    6,270.10x = 40,647,334.91
  5. Step 5: Solve for x
    x = 40,647,334.91/6,270.10
  6. Step 6: Final answer
    x = 6,482.73

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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.