Home / 5,043.36-6,959.51-2,805.15

Finding the Fourth Proportional to 5,043.36, 6,959.51 and 2,805.15

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Solution

The fourth proportional to 5,043.36, 6,959.51 and 2,805.15 is: 3,870.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,043.36 : 6,959.51 = 2,805.15 : x
  2. Step 2: Convert to fraction form
    5,043.36/6,959.51 = 2,805.15/x
  3. Step 3: Cross multiply
    5,043.36x = 6,959.51 × 2,805.15
  4. Step 4: Simplify right side
    5,043.36x = 19,522,469.48
  5. Step 5: Solve for x
    x = 19,522,469.48/5,043.36
  6. Step 6: Final answer
    x = 3,870.93

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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.