Home / 4,420.53-6,629.98-1,787.89

Finding the Fourth Proportional to 4,420.53, 6,629.98 and 1,787.89

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Solution

The fourth proportional to 4,420.53, 6,629.98 and 1,787.89 is: 2,681.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,420.53 : 6,629.98 = 1,787.89 : x
  2. Step 2: Convert to fraction form
    4,420.53/6,629.98 = 1,787.89/x
  3. Step 3: Cross multiply
    4,420.53x = 6,629.98 × 1,787.89
  4. Step 4: Simplify right side
    4,420.53x = 11,853,674.94
  5. Step 5: Solve for x
    x = 11,853,674.94/4,420.53
  6. Step 6: Final answer
    x = 2,681.51

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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.