Home / 7,711.44-11,571-3,554.39

Finding the Fourth Proportional to 7,711.44, 11,571 and 3,554.39

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Solution

The fourth proportional to 7,711.44, 11,571 and 3,554.39 is: 5,333.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,711.44 : 11,571 = 3,554.39 : x
  2. Step 2: Convert to fraction form
    7,711.44/11,571 = 3,554.39/x
  3. Step 3: Cross multiply
    7,711.44x = 11,571 × 3,554.39
  4. Step 4: Simplify right side
    7,711.44x = 41,127,788.84
  5. Step 5: Solve for x
    x = 41,127,788.84/7,711.44
  6. Step 6: Final answer
    x = 5,333.35

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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.