Home / 6,977.74-10,467.21-1,980.13

Finding the Fourth Proportional to 6,977.74, 10,467.21 and 1,980.13

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Solution

The fourth proportional to 6,977.74, 10,467.21 and 1,980.13 is: 2,970.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,977.74 : 10,467.21 = 1,980.13 : x
  2. Step 2: Convert to fraction form
    6,977.74/10,467.21 = 1,980.13/x
  3. Step 3: Cross multiply
    6,977.74x = 10,467.21 × 1,980.13
  4. Step 4: Simplify right side
    6,977.74x = 20,726,436.54
  5. Step 5: Solve for x
    x = 20,726,436.54/6,977.74
  6. Step 6: Final answer
    x = 2,970.37

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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.