Home / 5,556.32-7,667.44-3,071.84

Finding the Fourth Proportional to 5,556.32, 7,667.44 and 3,071.84

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Solution

The fourth proportional to 5,556.32, 7,667.44 and 3,071.84 is: 4,238.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,556.32 : 7,667.44 = 3,071.84 : x
  2. Step 2: Convert to fraction form
    5,556.32/7,667.44 = 3,071.84/x
  3. Step 3: Cross multiply
    5,556.32x = 7,667.44 × 3,071.84
  4. Step 4: Simplify right side
    5,556.32x = 23,553,148.89
  5. Step 5: Solve for x
    x = 23,553,148.89/5,556.32
  6. Step 6: Final answer
    x = 4,238.98

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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.