Home / 5,200.10-7,790.10-4,029.44

Finding the Fourth Proportional to 5,200.10, 7,790.10 and 4,029.44

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Solution

The fourth proportional to 5,200.10, 7,790.10 and 4,029.44 is: 6,036.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,200.10 : 7,790.10 = 4,029.44 : x
  2. Step 2: Convert to fraction form
    5,200.10/7,790.10 = 4,029.44/x
  3. Step 3: Cross multiply
    5,200.10x = 7,790.10 × 4,029.44
  4. Step 4: Simplify right side
    5,200.10x = 31,389,740.54
  5. Step 5: Solve for x
    x = 31,389,740.54/5,200.10
  6. Step 6: Final answer
    x = 6,036.37

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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.