Home / 5,425.25-8,138.47-1,726.62

Finding the Fourth Proportional to 5,425.25, 8,138.47 and 1,726.62

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Solution

The fourth proportional to 5,425.25, 8,138.47 and 1,726.62 is: 2,590.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,425.25 : 8,138.47 = 1,726.62 : x
  2. Step 2: Convert to fraction form
    5,425.25/8,138.47 = 1,726.62/x
  3. Step 3: Cross multiply
    5,425.25x = 8,138.47 × 1,726.62
  4. Step 4: Simplify right side
    5,425.25x = 14,052,013.47
  5. Step 5: Solve for x
    x = 14,052,013.47/5,425.25
  6. Step 6: Final answer
    x = 2,590.12

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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.