Home / 5,518.38-8,277.56-1,625.52

Finding the Fourth Proportional to 5,518.38, 8,277.56 and 1,625.52

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Solution

The fourth proportional to 5,518.38, 8,277.56 and 1,625.52 is: 2,438.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,518.38 : 8,277.56 = 1,625.52 : x
  2. Step 2: Convert to fraction form
    5,518.38/8,277.56 = 1,625.52/x
  3. Step 3: Cross multiply
    5,518.38x = 8,277.56 × 1,625.52
  4. Step 4: Simplify right side
    5,518.38x = 13,455,339.33
  5. Step 5: Solve for x
    x = 13,455,339.33/5,518.38
  6. Step 6: Final answer
    x = 2,438.28

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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.