Home / 5,477.19-8,216.49-1,778.73

Finding the Fourth Proportional to 5,477.19, 8,216.49 and 1,778.73

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Solution

The fourth proportional to 5,477.19, 8,216.49 and 1,778.73 is: 2,668.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,477.19 : 8,216.49 = 1,778.73 : x
  2. Step 2: Convert to fraction form
    5,477.19/8,216.49 = 1,778.73/x
  3. Step 3: Cross multiply
    5,477.19x = 8,216.49 × 1,778.73
  4. Step 4: Simplify right side
    5,477.19x = 14,614,917.26
  5. Step 5: Solve for x
    x = 14,614,917.26/5,477.19
  6. Step 6: Final answer
    x = 2,668.32

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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.