Home / 5,188.88-7,783.38-1,726.13

Finding the Fourth Proportional to 5,188.88, 7,783.38 and 1,726.13

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Solution

The fourth proportional to 5,188.88, 7,783.38 and 1,726.13 is: 2,589.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,188.88 : 7,783.38 = 1,726.13 : x
  2. Step 2: Convert to fraction form
    5,188.88/7,783.38 = 1,726.13/x
  3. Step 3: Cross multiply
    5,188.88x = 7,783.38 × 1,726.13
  4. Step 4: Simplify right side
    5,188.88x = 13,435,086.80
  5. Step 5: Solve for x
    x = 13,435,086.80/5,188.88
  6. Step 6: Final answer
    x = 2,589.21

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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.