Home / 5,043.77-6,960.74-2,805.64

Finding the Fourth Proportional to 5,043.77, 6,960.74 and 2,805.64

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Solution

The fourth proportional to 5,043.77, 6,960.74 and 2,805.64 is: 3,871.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,043.77 : 6,960.74 = 2,805.64 : x
  2. Step 2: Convert to fraction form
    5,043.77/6,960.74 = 2,805.64/x
  3. Step 3: Cross multiply
    5,043.77x = 6,960.74 × 2,805.64
  4. Step 4: Simplify right side
    5,043.77x = 19,529,299.14
  5. Step 5: Solve for x
    x = 19,529,299.14/5,043.77
  6. Step 6: Final answer
    x = 3,871.97

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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.