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Finding the Fourth Proportional to 6,980.88, 10,472.79 and 2,050.11

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Solution

The fourth proportional to 6,980.88, 10,472.79 and 2,050.11 is: 3,075.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,980.88 : 10,472.79 = 2,050.11 : x
  2. Step 2: Convert to fraction form
    6,980.88/10,472.79 = 2,050.11/x
  3. Step 3: Cross multiply
    6,980.88x = 10,472.79 × 2,050.11
  4. Step 4: Simplify right side
    6,980.88x = 21,470,379.19
  5. Step 5: Solve for x
    x = 21,470,379.19/6,980.88
  6. Step 6: Final answer
    x = 3,075.60

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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.