Home / 5,518.80-8,277.20-1,622.32

Finding the Fourth Proportional to 5,518.80, 8,277.20 and 1,622.32

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Solution

The fourth proportional to 5,518.80, 8,277.20 and 1,622.32 is: 2,433.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,518.80 : 8,277.20 = 1,622.32 : x
  2. Step 2: Convert to fraction form
    5,518.80/8,277.20 = 1,622.32/x
  3. Step 3: Cross multiply
    5,518.80x = 8,277.20 × 1,622.32
  4. Step 4: Simplify right side
    5,518.80x = 13,428,267.10
  5. Step 5: Solve for x
    x = 13,428,267.10/5,518.80
  6. Step 6: Final answer
    x = 2,433.19

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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.