Home / 4,285.91-6,429.81-1,822.84

Finding the Fourth Proportional to 4,285.91, 6,429.81 and 1,822.84

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Solution

The fourth proportional to 4,285.91, 6,429.81 and 1,822.84 is: 2,734.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,285.91 : 6,429.81 = 1,822.84 : x
  2. Step 2: Convert to fraction form
    4,285.91/6,429.81 = 1,822.84/x
  3. Step 3: Cross multiply
    4,285.91x = 6,429.81 × 1,822.84
  4. Step 4: Simplify right side
    4,285.91x = 11,720,482.71
  5. Step 5: Solve for x
    x = 11,720,482.71/4,285.91
  6. Step 6: Final answer
    x = 2,734.65

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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.