Home / 4,712.38-7,068.87-1,938.99

Finding the Fourth Proportional to 4,712.38, 7,068.87 and 1,938.99

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Solution

The fourth proportional to 4,712.38, 7,068.87 and 1,938.99 is: 2,908.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,712.38 : 7,068.87 = 1,938.99 : x
  2. Step 2: Convert to fraction form
    4,712.38/7,068.87 = 1,938.99/x
  3. Step 3: Cross multiply
    4,712.38x = 7,068.87 × 1,938.99
  4. Step 4: Simplify right side
    4,712.38x = 13,706,454.99
  5. Step 5: Solve for x
    x = 13,706,454.99/4,712.38
  6. Step 6: Final answer
    x = 2,908.61

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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.