Home / 6,977.96-10,467.26-1,980.69

Finding the Fourth Proportional to 6,977.96, 10,467.26 and 1,980.69

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Solution

The fourth proportional to 6,977.96, 10,467.26 and 1,980.69 is: 2,971.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,977.96 : 10,467.26 = 1,980.69 : x
  2. Step 2: Convert to fraction form
    6,977.96/10,467.26 = 1,980.69/x
  3. Step 3: Cross multiply
    6,977.96x = 10,467.26 × 1,980.69
  4. Step 4: Simplify right side
    6,977.96x = 20,732,394.73
  5. Step 5: Solve for x
    x = 20,732,394.73/6,977.96
  6. Step 6: Final answer
    x = 2,971.12

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1.5x scale

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.