Home / 4,289.22-5,920.29-3,511.62

Finding the Fourth Proportional to 4,289.22, 5,920.29 and 3,511.62

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Solution

The fourth proportional to 4,289.22, 5,920.29 and 3,511.62 is: 4,846.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,289.22 : 5,920.29 = 3,511.62 : x
  2. Step 2: Convert to fraction form
    4,289.22/5,920.29 = 3,511.62/x
  3. Step 3: Cross multiply
    4,289.22x = 5,920.29 × 3,511.62
  4. Step 4: Simplify right side
    4,289.22x = 20,789,808.77
  5. Step 5: Solve for x
    x = 20,789,808.77/4,289.22
  6. Step 6: Final answer
    x = 4,846.99

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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.