Home / 5,284.36-7,929.11-2,166.67

Finding the Fourth Proportional to 5,284.36, 7,929.11 and 2,166.67

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Solution

The fourth proportional to 5,284.36, 7,929.11 and 2,166.67 is: 3,251.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,284.36 : 7,929.11 = 2,166.67 : x
  2. Step 2: Convert to fraction form
    5,284.36/7,929.11 = 2,166.67/x
  3. Step 3: Cross multiply
    5,284.36x = 7,929.11 × 2,166.67
  4. Step 4: Simplify right side
    5,284.36x = 17,179,764.76
  5. Step 5: Solve for x
    x = 17,179,764.76/5,284.36
  6. Step 6: Final answer
    x = 3,251.06

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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.