Home / 4,605.18-6,890.76-2,757.60

Finding the Fourth Proportional to 4,605.18, 6,890.76 and 2,757.60

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Solution

The fourth proportional to 4,605.18, 6,890.76 and 2,757.60 is: 4,126.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,605.18 : 6,890.76 = 2,757.60 : x
  2. Step 2: Convert to fraction form
    4,605.18/6,890.76 = 2,757.60/x
  3. Step 3: Cross multiply
    4,605.18x = 6,890.76 × 2,757.60
  4. Step 4: Simplify right side
    4,605.18x = 19,001,959.78
  5. Step 5: Solve for x
    x = 19,001,959.78/4,605.18
  6. Step 6: Final answer
    x = 4,126.21

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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.