Home / 5,557.32-7,668.82-3,072.84

Finding the Fourth Proportional to 5,557.32, 7,668.82 and 3,072.84

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Solution

The fourth proportional to 5,557.32, 7,668.82 and 3,072.84 is: 4,240.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,557.32 : 7,668.82 = 3,072.84 : x
  2. Step 2: Convert to fraction form
    5,557.32/7,668.82 = 3,072.84/x
  3. Step 3: Cross multiply
    5,557.32x = 7,668.82 × 3,072.84
  4. Step 4: Simplify right side
    5,557.32x = 23,565,056.85
  5. Step 5: Solve for x
    x = 23,565,056.85/5,557.32
  6. Step 6: Final answer
    x = 4,240.36

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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.