Home / 5,043.73-6,959.68-2,805.16

Finding the Fourth Proportional to 5,043.73, 6,959.68 and 2,805.16

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Solution

The fourth proportional to 5,043.73, 6,959.68 and 2,805.16 is: 3,870.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,043.73 : 6,959.68 = 2,805.16 : x
  2. Step 2: Convert to fraction form
    5,043.73/6,959.68 = 2,805.16/x
  3. Step 3: Cross multiply
    5,043.73x = 6,959.68 × 2,805.16
  4. Step 4: Simplify right side
    5,043.73x = 19,523,015.95
  5. Step 5: Solve for x
    x = 19,523,015.95/5,043.73
  6. Step 6: Final answer
    x = 3,870.75

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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.