Home / 4,288.74-6,428.24-1,822.02

Finding the Fourth Proportional to 4,288.74, 6,428.24 and 1,822.02

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Solution

The fourth proportional to 4,288.74, 6,428.24 and 1,822.02 is: 2,730.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,288.74 : 6,428.24 = 1,822.02 : x
  2. Step 2: Convert to fraction form
    4,288.74/6,428.24 = 1,822.02/x
  3. Step 3: Cross multiply
    4,288.74x = 6,428.24 × 1,822.02
  4. Step 4: Simplify right side
    4,288.74x = 11,712,381.84
  5. Step 5: Solve for x
    x = 11,712,381.84/4,288.74
  6. Step 6: Final answer
    x = 2,730.96

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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.