Home / 5,043.12-6,959.97-2,805.45

Finding the Fourth Proportional to 5,043.12, 6,959.97 and 2,805.45

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Solution

The fourth proportional to 5,043.12, 6,959.97 and 2,805.45 is: 3,871.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,043.12 : 6,959.97 = 2,805.45 : x
  2. Step 2: Convert to fraction form
    5,043.12/6,959.97 = 2,805.45/x
  3. Step 3: Cross multiply
    5,043.12x = 6,959.97 × 2,805.45
  4. Step 4: Simplify right side
    5,043.12x = 19,525,847.84
  5. Step 5: Solve for x
    x = 19,525,847.84/5,043.12
  6. Step 6: Final answer
    x = 3,871.78

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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.