Home / 5,103.10-7,041.73-2,865.22

Finding the Fourth Proportional to 5,103.10, 7,041.73 and 2,865.22

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Solution

The fourth proportional to 5,103.10, 7,041.73 and 2,865.22 is: 3,953.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,103.10 : 7,041.73 = 2,865.22 : x
  2. Step 2: Convert to fraction form
    5,103.10/7,041.73 = 2,865.22/x
  3. Step 3: Cross multiply
    5,103.10x = 7,041.73 × 2,865.22
  4. Step 4: Simplify right side
    5,103.10x = 20,176,091.61
  5. Step 5: Solve for x
    x = 20,176,091.61/5,103.10
  6. Step 6: Final answer
    x = 3,953.70

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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.