Home / 4,419.06-6,628.65-1,787.82

Finding the Fourth Proportional to 4,419.06, 6,628.65 and 1,787.82

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Solution

The fourth proportional to 4,419.06, 6,628.65 and 1,787.82 is: 2,681.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,419.06 : 6,628.65 = 1,787.82 : x
  2. Step 2: Convert to fraction form
    4,419.06/6,628.65 = 1,787.82/x
  3. Step 3: Cross multiply
    4,419.06x = 6,628.65 × 1,787.82
  4. Step 4: Simplify right side
    4,419.06x = 11,850,833.04
  5. Step 5: Solve for x
    x = 11,850,833.04/4,419.06
  6. Step 6: Final answer
    x = 2,681.75

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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.