Home / 4,694.80-7,042.30-1,407.96

Finding the Fourth Proportional to 4,694.80, 7,042.30 and 1,407.96

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Solution

The fourth proportional to 4,694.80, 7,042.30 and 1,407.96 is: 2,111.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,694.80 : 7,042.30 = 1,407.96 : x
  2. Step 2: Convert to fraction form
    4,694.80/7,042.30 = 1,407.96/x
  3. Step 3: Cross multiply
    4,694.80x = 7,042.30 × 1,407.96
  4. Step 4: Simplify right side
    4,694.80x = 9,915,276.71
  5. Step 5: Solve for x
    x = 9,915,276.71/4,694.80
  6. Step 6: Final answer
    x = 2,111.97

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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.