Home / 4,289.25-6,426.99-1,818.36

Finding the Fourth Proportional to 4,289.25, 6,426.99 and 1,818.36

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Solution

The fourth proportional to 4,289.25, 6,426.99 and 1,818.36 is: 2,724.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,289.25 : 6,426.99 = 1,818.36 : x
  2. Step 2: Convert to fraction form
    4,289.25/6,426.99 = 1,818.36/x
  3. Step 3: Cross multiply
    4,289.25x = 6,426.99 × 1,818.36
  4. Step 4: Simplify right side
    4,289.25x = 11,686,581.54
  5. Step 5: Solve for x
    x = 11,686,581.54/4,289.25
  6. Step 6: Final answer
    x = 2,724.62

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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.