Home / 4,237.20-6,355.80-2,854.80

Finding the Fourth Proportional to 4,237.20, 6,355.80 and 2,854.80

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Solution

The fourth proportional to 4,237.20, 6,355.80 and 2,854.80 is: 4,282.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,237.20 : 6,355.80 = 2,854.80 : x
  2. Step 2: Convert to fraction form
    4,237.20/6,355.80 = 2,854.80/x
  3. Step 3: Cross multiply
    4,237.20x = 6,355.80 × 2,854.80
  4. Step 4: Simplify right side
    4,237.20x = 18,144,537.84
  5. Step 5: Solve for x
    x = 18,144,537.84/4,237.20
  6. Step 6: Final answer
    x = 4,282.20

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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.