Home / 4,234.10-6,351.15-3,140.60

Finding the Fourth Proportional to 4,234.10, 6,351.15 and 3,140.60

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Solution

The fourth proportional to 4,234.10, 6,351.15 and 3,140.60 is: 4,710.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,234.10 : 6,351.15 = 3,140.60 : x
  2. Step 2: Convert to fraction form
    4,234.10/6,351.15 = 3,140.60/x
  3. Step 3: Cross multiply
    4,234.10x = 6,351.15 × 3,140.60
  4. Step 4: Simplify right side
    4,234.10x = 19,946,421.69
  5. Step 5: Solve for x
    x = 19,946,421.69/4,234.10
  6. Step 6: Final answer
    x = 4,710.90

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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.