Home / 6,770.77-10,130.64-3,998.95

Finding the Fourth Proportional to 6,770.77, 10,130.64 and 3,998.95

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Solution

The fourth proportional to 6,770.77, 10,130.64 and 3,998.95 is: 5,983.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,770.77 : 10,130.64 = 3,998.95 : x
  2. Step 2: Convert to fraction form
    6,770.77/10,130.64 = 3,998.95/x
  3. Step 3: Cross multiply
    6,770.77x = 10,130.64 × 3,998.95
  4. Step 4: Simplify right side
    6,770.77x = 40,511,922.83
  5. Step 5: Solve for x
    x = 40,511,922.83/6,770.77
  6. Step 6: Final answer
    x = 5,983.36

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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.