Home / 6,278.82-9,415.32-1,895.46

Finding the Fourth Proportional to 6,278.82, 9,415.32 and 1,895.46

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Solution

The fourth proportional to 6,278.82, 9,415.32 and 1,895.46 is: 2,842.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,278.82 : 9,415.32 = 1,895.46 : x
  2. Step 2: Convert to fraction form
    6,278.82/9,415.32 = 1,895.46/x
  3. Step 3: Cross multiply
    6,278.82x = 9,415.32 × 1,895.46
  4. Step 4: Simplify right side
    6,278.82x = 17,846,362.45
  5. Step 5: Solve for x
    x = 17,846,362.45/6,278.82
  6. Step 6: Final answer
    x = 2,842.31

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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.