Home / 4,285.35-6,426.09-1,818.90

Finding the Fourth Proportional to 4,285.35, 6,426.09 and 1,818.90

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Solution

The fourth proportional to 4,285.35, 6,426.09 and 1,818.90 is: 2,727.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,285.35 : 6,426.09 = 1,818.90 : x
  2. Step 2: Convert to fraction form
    4,285.35/6,426.09 = 1,818.90/x
  3. Step 3: Cross multiply
    4,285.35x = 6,426.09 × 1,818.90
  4. Step 4: Simplify right side
    4,285.35x = 11,688,415.10
  5. Step 5: Solve for x
    x = 11,688,415.10/4,285.35
  6. Step 6: Final answer
    x = 2,727.53

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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.