Home / 5,477.54-7,559.88-3,120.44

Finding the Fourth Proportional to 5,477.54, 7,559.88 and 3,120.44

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Solution

The fourth proportional to 5,477.54, 7,559.88 and 3,120.44 is: 4,306.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,477.54 : 7,559.88 = 3,120.44 : x
  2. Step 2: Convert to fraction form
    5,477.54/7,559.88 = 3,120.44/x
  3. Step 3: Cross multiply
    5,477.54x = 7,559.88 × 3,120.44
  4. Step 4: Simplify right side
    5,477.54x = 23,590,151.95
  5. Step 5: Solve for x
    x = 23,590,151.95/5,477.54
  6. Step 6: Final answer
    x = 4,306.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.