Home / 6,140.78-8,473.34-3,451.48

Finding the Fourth Proportional to 6,140.78, 8,473.34 and 3,451.48

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Solution

The fourth proportional to 6,140.78, 8,473.34 and 3,451.48 is: 4,762.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,140.78 : 8,473.34 = 3,451.48 : x
  2. Step 2: Convert to fraction form
    6,140.78/8,473.34 = 3,451.48/x
  3. Step 3: Cross multiply
    6,140.78x = 8,473.34 × 3,451.48
  4. Step 4: Simplify right side
    6,140.78x = 29,245,563.54
  5. Step 5: Solve for x
    x = 29,245,563.54/6,140.78
  6. Step 6: Final answer
    x = 4,762.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.