Home / 5,102.99-7,042.44-2,865

Finding the Fourth Proportional to 5,102.99, 7,042.44 and 2,865

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Solution

The fourth proportional to 5,102.99, 7,042.44 and 2,865 is: 3,953.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,102.99 : 7,042.44 = 2,865 : x
  2. Step 2: Convert to fraction form
    5,102.99/7,042.44 = 2,865/x
  3. Step 3: Cross multiply
    5,102.99x = 7,042.44 × 2,865
  4. Step 4: Simplify right side
    5,102.99x = 20,176,590.60
  5. Step 5: Solve for x
    x = 20,176,590.60/5,102.99
  6. Step 6: Final answer
    x = 3,953.88

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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.