Home / 5,518.32-8,277.54-1,622.80

Finding the Fourth Proportional to 5,518.32, 8,277.54 and 1,622.80

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Solution

The fourth proportional to 5,518.32, 8,277.54 and 1,622.80 is: 2,434.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,518.32 : 8,277.54 = 1,622.80 : x
  2. Step 2: Convert to fraction form
    5,518.32/8,277.54 = 1,622.80/x
  3. Step 3: Cross multiply
    5,518.32x = 8,277.54 × 1,622.80
  4. Step 4: Simplify right side
    5,518.32x = 13,432,791.91
  5. Step 5: Solve for x
    x = 13,432,791.91/5,518.32
  6. Step 6: Final answer
    x = 2,434.22

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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.