Home / 4,551.21-6,829.47-1,918.55

Finding the Fourth Proportional to 4,551.21, 6,829.47 and 1,918.55

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Solution

The fourth proportional to 4,551.21, 6,829.47 and 1,918.55 is: 2,878.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,551.21 : 6,829.47 = 1,918.55 : x
  2. Step 2: Convert to fraction form
    4,551.21/6,829.47 = 1,918.55/x
  3. Step 3: Cross multiply
    4,551.21x = 6,829.47 × 1,918.55
  4. Step 4: Simplify right side
    4,551.21x = 13,102,694.55
  5. Step 5: Solve for x
    x = 13,102,694.55/4,551.21
  6. Step 6: Final answer
    x = 2,878.95

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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.