Home / 4,428.58-6,113.94-2,938.50

Finding the Fourth Proportional to 4,428.58, 6,113.94 and 2,938.50

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Solution

The fourth proportional to 4,428.58, 6,113.94 and 2,938.50 is: 4,056.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,428.58 : 6,113.94 = 2,938.50 : x
  2. Step 2: Convert to fraction form
    4,428.58/6,113.94 = 2,938.50/x
  3. Step 3: Cross multiply
    4,428.58x = 6,113.94 × 2,938.50
  4. Step 4: Simplify right side
    4,428.58x = 17,965,812.69
  5. Step 5: Solve for x
    x = 17,965,812.69/4,428.58
  6. Step 6: Final answer
    x = 4,056.79

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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.