Home / 5,104.28-7,043.47-2,865.98

Finding the Fourth Proportional to 5,104.28, 7,043.47 and 2,865.98

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Solution

The fourth proportional to 5,104.28, 7,043.47 and 2,865.98 is: 3,954.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,104.28 : 7,043.47 = 2,865.98 : x
  2. Step 2: Convert to fraction form
    5,104.28/7,043.47 = 2,865.98/x
  3. Step 3: Cross multiply
    5,104.28x = 7,043.47 × 2,865.98
  4. Step 4: Simplify right side
    5,104.28x = 20,186,401.77
  5. Step 5: Solve for x
    x = 20,186,401.77/5,104.28
  6. Step 6: Final answer
    x = 3,954.80

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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.