Home / 5,122.10-7,679.27-2,004.35

Finding the Fourth Proportional to 5,122.10, 7,679.27 and 2,004.35

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Solution

The fourth proportional to 5,122.10, 7,679.27 and 2,004.35 is: 3,005.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,122.10 : 7,679.27 = 2,004.35 : x
  2. Step 2: Convert to fraction form
    5,122.10/7,679.27 = 2,004.35/x
  3. Step 3: Cross multiply
    5,122.10x = 7,679.27 × 2,004.35
  4. Step 4: Simplify right side
    5,122.10x = 15,391,911.44
  5. Step 5: Solve for x
    x = 15,391,911.44/5,122.10
  6. Step 6: Final answer
    x = 3,005.00

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1.5x scale

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.