Home / 5,074.98-7,002.60-2,979.54

Finding the Fourth Proportional to 5,074.98, 7,002.60 and 2,979.54

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Solution

The fourth proportional to 5,074.98, 7,002.60 and 2,979.54 is: 4,111.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,074.98 : 7,002.60 = 2,979.54 : x
  2. Step 2: Convert to fraction form
    5,074.98/7,002.60 = 2,979.54/x
  3. Step 3: Cross multiply
    5,074.98x = 7,002.60 × 2,979.54
  4. Step 4: Simplify right side
    5,074.98x = 20,864,526.80
  5. Step 5: Solve for x
    x = 20,864,526.80/5,074.98
  6. Step 6: Final answer
    x = 4,111.25

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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.