Home / 5,103.37-7,042.94-2,865.95

Finding the Fourth Proportional to 5,103.37, 7,042.94 and 2,865.95

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Solution

The fourth proportional to 5,103.37, 7,042.94 and 2,865.95 is: 3,955.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,103.37 : 7,042.94 = 2,865.95 : x
  2. Step 2: Convert to fraction form
    5,103.37/7,042.94 = 2,865.95/x
  3. Step 3: Cross multiply
    5,103.37x = 7,042.94 × 2,865.95
  4. Step 4: Simplify right side
    5,103.37x = 20,184,701.51
  5. Step 5: Solve for x
    x = 20,184,701.51/5,103.37
  6. Step 6: Final answer
    x = 3,955.17

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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.