Home / 4,694.55-7,042.19-1,407.39

Finding the Fourth Proportional to 4,694.55, 7,042.19 and 1,407.39

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Solution

The fourth proportional to 4,694.55, 7,042.19 and 1,407.39 is: 2,111.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,694.55 : 7,042.19 = 1,407.39 : x
  2. Step 2: Convert to fraction form
    4,694.55/7,042.19 = 1,407.39/x
  3. Step 3: Cross multiply
    4,694.55x = 7,042.19 × 1,407.39
  4. Step 4: Simplify right side
    4,694.55x = 9,911,100.75
  5. Step 5: Solve for x
    x = 9,911,100.75/4,694.55
  6. Step 6: Final answer
    x = 2,111.19

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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.