Home / 5,187.90-7,776.39-3,726.27

Finding the Fourth Proportional to 5,187.90, 7,776.39 and 3,726.27

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Solution

The fourth proportional to 5,187.90, 7,776.39 and 3,726.27 is: 5,585.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,187.90 : 7,776.39 = 3,726.27 : x
  2. Step 2: Convert to fraction form
    5,187.90/7,776.39 = 3,726.27/x
  3. Step 3: Cross multiply
    5,187.90x = 7,776.39 × 3,726.27
  4. Step 4: Simplify right side
    5,187.90x = 28,976,928.77
  5. Step 5: Solve for x
    x = 28,976,928.77/5,187.90
  6. Step 6: Final answer
    x = 5,585.48

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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.