Home / 4,421.21-6,633.09-1,787.36

Finding the Fourth Proportional to 4,421.21, 6,633.09 and 1,787.36

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Solution

The fourth proportional to 4,421.21, 6,633.09 and 1,787.36 is: 2,681.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,421.21 : 6,633.09 = 1,787.36 : x
  2. Step 2: Convert to fraction form
    4,421.21/6,633.09 = 1,787.36/x
  3. Step 3: Cross multiply
    4,421.21x = 6,633.09 × 1,787.36
  4. Step 4: Simplify right side
    4,421.21x = 11,855,686.58
  5. Step 5: Solve for x
    x = 11,855,686.58/4,421.21
  6. Step 6: Final answer
    x = 2,681.55

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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.