Home / 5,518.15-8,277.37-1,622.68

Finding the Fourth Proportional to 5,518.15, 8,277.37 and 1,622.68

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Solution

The fourth proportional to 5,518.15, 8,277.37 and 1,622.68 is: 2,434.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,518.15 : 8,277.37 = 1,622.68 : x
  2. Step 2: Convert to fraction form
    5,518.15/8,277.37 = 1,622.68/x
  3. Step 3: Cross multiply
    5,518.15x = 8,277.37 × 1,622.68
  4. Step 4: Simplify right side
    5,518.15x = 13,431,477.31
  5. Step 5: Solve for x
    x = 13,431,477.31/5,518.15
  6. Step 6: Final answer
    x = 2,434.06

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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.