Home / 6,981.77-10,464.14-3,279.06

Finding the Fourth Proportional to 6,981.77, 10,464.14 and 3,279.06

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Solution

The fourth proportional to 6,981.77, 10,464.14 and 3,279.06 is: 4,914.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,981.77 : 10,464.14 = 3,279.06 : x
  2. Step 2: Convert to fraction form
    6,981.77/10,464.14 = 3,279.06/x
  3. Step 3: Cross multiply
    6,981.77x = 10,464.14 × 3,279.06
  4. Step 4: Simplify right side
    6,981.77x = 34,312,551.11
  5. Step 5: Solve for x
    x = 34,312,551.11/6,981.77
  6. Step 6: Final answer
    x = 4,914.59

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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.