Home / 5,103.73-7,041.38-2,865.29

Finding the Fourth Proportional to 5,103.73, 7,041.38 and 2,865.29

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Solution

The fourth proportional to 5,103.73, 7,041.38 and 2,865.29 is: 3,953.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,103.73 : 7,041.38 = 2,865.29 : x
  2. Step 2: Convert to fraction form
    5,103.73/7,041.38 = 2,865.29/x
  3. Step 3: Cross multiply
    5,103.73x = 7,041.38 × 2,865.29
  4. Step 4: Simplify right side
    5,103.73x = 20,175,620.47
  5. Step 5: Solve for x
    x = 20,175,620.47/5,103.73
  6. Step 6: Final answer
    x = 3,953.11

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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.