Home / 4,615.73-6,918.77-2,148.53

Finding the Fourth Proportional to 4,615.73, 6,918.77 and 2,148.53

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Solution

The fourth proportional to 4,615.73, 6,918.77 and 2,148.53 is: 3,220.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,615.73 : 6,918.77 = 2,148.53 : x
  2. Step 2: Convert to fraction form
    4,615.73/6,918.77 = 2,148.53/x
  3. Step 3: Cross multiply
    4,615.73x = 6,918.77 × 2,148.53
  4. Step 4: Simplify right side
    4,615.73x = 14,865,143.60
  5. Step 5: Solve for x
    x = 14,865,143.60/4,615.73
  6. Step 6: Final answer
    x = 3,220.54

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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.