Home / 6,261.20-9,388.34-4,289.10

Finding the Fourth Proportional to 6,261.20, 9,388.34 and 4,289.10

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Solution

The fourth proportional to 6,261.20, 9,388.34 and 4,289.10 is: 6,431.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,261.20 : 9,388.34 = 4,289.10 : x
  2. Step 2: Convert to fraction form
    6,261.20/9,388.34 = 4,289.10/x
  3. Step 3: Cross multiply
    6,261.20x = 9,388.34 × 4,289.10
  4. Step 4: Simplify right side
    6,261.20x = 40,267,529.09
  5. Step 5: Solve for x
    x = 40,267,529.09/6,261.20
  6. Step 6: Final answer
    x = 6,431.28

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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.