Home / 4,322.22-6,477.69-1,981.38

Finding the Fourth Proportional to 4,322.22, 6,477.69 and 1,981.38

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Solution

The fourth proportional to 4,322.22, 6,477.69 and 1,981.38 is: 2,969.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,322.22 : 6,477.69 = 1,981.38 : x
  2. Step 2: Convert to fraction form
    4,322.22/6,477.69 = 1,981.38/x
  3. Step 3: Cross multiply
    4,322.22x = 6,477.69 × 1,981.38
  4. Step 4: Simplify right side
    4,322.22x = 12,834,765.41
  5. Step 5: Solve for x
    x = 12,834,765.41/4,322.22
  6. Step 6: Final answer
    x = 2,969.48

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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.