Home / 4,910.98-6,775.40-2,921.48

Finding the Fourth Proportional to 4,910.98, 6,775.40 and 2,921.48

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Solution

The fourth proportional to 4,910.98, 6,775.40 and 2,921.48 is: 4,030.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,910.98 : 6,775.40 = 2,921.48 : x
  2. Step 2: Convert to fraction form
    4,910.98/6,775.40 = 2,921.48/x
  3. Step 3: Cross multiply
    4,910.98x = 6,775.40 × 2,921.48
  4. Step 4: Simplify right side
    4,910.98x = 19,794,180.98
  5. Step 5: Solve for x
    x = 19,794,180.98/4,910.98
  6. Step 6: Final answer
    x = 4,030.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.