Home / 6,289.20-9,425.64-3,943.68

Finding the Fourth Proportional to 6,289.20, 9,425.64 and 3,943.68

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Solution

The fourth proportional to 6,289.20, 9,425.64 and 3,943.68 is: 5,910.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,289.20 : 9,425.64 = 3,943.68 : x
  2. Step 2: Convert to fraction form
    6,289.20/9,425.64 = 3,943.68/x
  3. Step 3: Cross multiply
    6,289.20x = 9,425.64 × 3,943.68
  4. Step 4: Simplify right side
    6,289.20x = 37,171,707.96
  5. Step 5: Solve for x
    x = 37,171,707.96/6,289.20
  6. Step 6: Final answer
    x = 5,910.40

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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.