Home / 5,106.54-7,054.11-3,942.30

Finding the Fourth Proportional to 5,106.54, 7,054.11 and 3,942.30

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Solution

The fourth proportional to 5,106.54, 7,054.11 and 3,942.30 is: 5,445.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,106.54 : 7,054.11 = 3,942.30 : x
  2. Step 2: Convert to fraction form
    5,106.54/7,054.11 = 3,942.30/x
  3. Step 3: Cross multiply
    5,106.54x = 7,054.11 × 3,942.30
  4. Step 4: Simplify right side
    5,106.54x = 27,809,417.85
  5. Step 5: Solve for x
    x = 27,809,417.85/5,106.54
  6. Step 6: Final answer
    x = 5,445.84

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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.