Home / 4,900.89-6,761.14-3,308.57

Finding the Fourth Proportional to 4,900.89, 6,761.14 and 3,308.57

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Solution

The fourth proportional to 4,900.89, 6,761.14 and 3,308.57 is: 4,564.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,900.89 : 6,761.14 = 3,308.57 : x
  2. Step 2: Convert to fraction form
    4,900.89/6,761.14 = 3,308.57/x
  3. Step 3: Cross multiply
    4,900.89x = 6,761.14 × 3,308.57
  4. Step 4: Simplify right side
    4,900.89x = 22,369,688.25
  5. Step 5: Solve for x
    x = 22,369,688.25/4,900.89
  6. Step 6: Final answer
    x = 4,564.41

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1.5x scale

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.