Home / 7,319.58-10,981.41-2,940.11

Finding the Fourth Proportional to 7,319.58, 10,981.41 and 2,940.11

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Solution

The fourth proportional to 7,319.58, 10,981.41 and 2,940.11 is: 4,410.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,319.58 : 10,981.41 = 2,940.11 : x
  2. Step 2: Convert to fraction form
    7,319.58/10,981.41 = 2,940.11/x
  3. Step 3: Cross multiply
    7,319.58x = 10,981.41 × 2,940.11
  4. Step 4: Simplify right side
    7,319.58x = 32,286,498.45
  5. Step 5: Solve for x
    x = 32,286,498.45/7,319.58
  6. Step 6: Final answer
    x = 4,410.98

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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.