Home / 5,425.09-8,138.45-1,726.23

Finding the Fourth Proportional to 5,425.09, 8,138.45 and 1,726.23

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Solution

The fourth proportional to 5,425.09, 8,138.45 and 1,726.23 is: 2,589.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,425.09 : 8,138.45 = 1,726.23 : x
  2. Step 2: Convert to fraction form
    5,425.09/8,138.45 = 1,726.23/x
  3. Step 3: Cross multiply
    5,425.09x = 8,138.45 × 1,726.23
  4. Step 4: Simplify right side
    5,425.09x = 14,048,836.54
  5. Step 5: Solve for x
    x = 14,048,836.54/5,425.09
  6. Step 6: Final answer
    x = 2,589.60

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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.