Home / 5,103.39-7,647.95-2,758.34

Finding the Fourth Proportional to 5,103.39, 7,647.95 and 2,758.34

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Solution

The fourth proportional to 5,103.39, 7,647.95 and 2,758.34 is: 4,133.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,103.39 : 7,647.95 = 2,758.34 : x
  2. Step 2: Convert to fraction form
    5,103.39/7,647.95 = 2,758.34/x
  3. Step 3: Cross multiply
    5,103.39x = 7,647.95 × 2,758.34
  4. Step 4: Simplify right side
    5,103.39x = 21,095,608.16
  5. Step 5: Solve for x
    x = 21,095,608.16/5,103.39
  6. Step 6: Final answer
    x = 4,133.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.