Home / 5,135.37-7,704.27-2,669.63

Finding the Fourth Proportional to 5,135.37, 7,704.27 and 2,669.63

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Solution

The fourth proportional to 5,135.37, 7,704.27 and 2,669.63 is: 4,005.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,135.37 : 7,704.27 = 2,669.63 : x
  2. Step 2: Convert to fraction form
    5,135.37/7,704.27 = 2,669.63/x
  3. Step 3: Cross multiply
    5,135.37x = 7,704.27 × 2,669.63
  4. Step 4: Simplify right side
    5,135.37x = 20,567,498.45
  5. Step 5: Solve for x
    x = 20,567,498.45/5,135.37
  6. Step 6: Final answer
    x = 4,005.07

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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.