Home / 5,103.85-7,042.93-2,866.07

Finding the Fourth Proportional to 5,103.85, 7,042.93 and 2,866.07

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Solution

The fourth proportional to 5,103.85, 7,042.93 and 2,866.07 is: 3,954.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,103.85 : 7,042.93 = 2,866.07 : x
  2. Step 2: Convert to fraction form
    5,103.85/7,042.93 = 2,866.07/x
  3. Step 3: Cross multiply
    5,103.85x = 7,042.93 × 2,866.07
  4. Step 4: Simplify right side
    5,103.85x = 20,185,488.01
  5. Step 5: Solve for x
    x = 20,185,488.01/5,103.85
  6. Step 6: Final answer
    x = 3,954.96

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1.5x scale

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.