Home / 5,527.79-7,628.16-3,137.95

Finding the Fourth Proportional to 5,527.79, 7,628.16 and 3,137.95

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Solution

The fourth proportional to 5,527.79, 7,628.16 and 3,137.95 is: 4,330.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,527.79 : 7,628.16 = 3,137.95 : x
  2. Step 2: Convert to fraction form
    5,527.79/7,628.16 = 3,137.95/x
  3. Step 3: Cross multiply
    5,527.79x = 7,628.16 × 3,137.95
  4. Step 4: Simplify right side
    5,527.79x = 23,936,765.60
  5. Step 5: Solve for x
    x = 23,936,765.60/5,527.79
  6. Step 6: Final answer
    x = 4,330.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.