Home / 4,283.91-6,426.81-1,820.83

Finding the Fourth Proportional to 4,283.91, 6,426.81 and 1,820.83

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Solution

The fourth proportional to 4,283.91, 6,426.81 and 1,820.83 is: 2,731.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,283.91 : 6,426.81 = 1,820.83 : x
  2. Step 2: Convert to fraction form
    4,283.91/6,426.81 = 1,820.83/x
  3. Step 3: Cross multiply
    4,283.91x = 6,426.81 × 1,820.83
  4. Step 4: Simplify right side
    4,283.91x = 11,702,129.66
  5. Step 5: Solve for x
    x = 11,702,129.66/4,283.91
  6. Step 6: Final answer
    x = 2,731.65

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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.