Home / 4,289.60-6,424.68-3,359.36

Finding the Fourth Proportional to 4,289.60, 6,424.68 and 3,359.36

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Solution

The fourth proportional to 4,289.60, 6,424.68 and 3,359.36 is: 5,031.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,289.60 : 6,424.68 = 3,359.36 : x
  2. Step 2: Convert to fraction form
    4,289.60/6,424.68 = 3,359.36/x
  3. Step 3: Cross multiply
    4,289.60x = 6,424.68 × 3,359.36
  4. Step 4: Simplify right side
    4,289.60x = 21,582,813.00
  5. Step 5: Solve for x
    x = 21,582,813.00/4,289.60
  6. Step 6: Final answer
    x = 5,031.43

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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.