Home / 4,694.85-7,042.68-1,407.87

Finding the Fourth Proportional to 4,694.85, 7,042.68 and 1,407.87

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Solution

The fourth proportional to 4,694.85, 7,042.68 and 1,407.87 is: 2,111.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,694.85 : 7,042.68 = 1,407.87 : x
  2. Step 2: Convert to fraction form
    4,694.85/7,042.68 = 1,407.87/x
  3. Step 3: Cross multiply
    4,694.85x = 7,042.68 × 1,407.87
  4. Step 4: Simplify right side
    4,694.85x = 9,915,177.89
  5. Step 5: Solve for x
    x = 9,915,177.89/4,694.85
  6. Step 6: Final answer
    x = 2,111.93

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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.