Home / 5,103.66-7,041.36-2,865.23

Finding the Fourth Proportional to 5,103.66, 7,041.36 and 2,865.23

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Solution

The fourth proportional to 5,103.66, 7,041.36 and 2,865.23 is: 3,953.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,103.66 : 7,041.36 = 2,865.23 : x
  2. Step 2: Convert to fraction form
    5,103.66/7,041.36 = 2,865.23/x
  3. Step 3: Cross multiply
    5,103.66x = 7,041.36 × 2,865.23
  4. Step 4: Simplify right side
    5,103.66x = 20,175,115.91
  5. Step 5: Solve for x
    x = 20,175,115.91/5,103.66
  6. Step 6: Final answer
    x = 3,953.07

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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.