Home / 4,243.60-6,365.40-2,511

Finding the Fourth Proportional to 4,243.60, 6,365.40 and 2,511

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Solution

The fourth proportional to 4,243.60, 6,365.40 and 2,511 is: 3,766.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,243.60 : 6,365.40 = 2,511 : x
  2. Step 2: Convert to fraction form
    4,243.60/6,365.40 = 2,511/x
  3. Step 3: Cross multiply
    4,243.60x = 6,365.40 × 2,511
  4. Step 4: Simplify right side
    4,243.60x = 15,983,519.40
  5. Step 5: Solve for x
    x = 15,983,519.40/4,243.60
  6. Step 6: Final answer
    x = 3,766.50

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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.