Home / 5,051.94-6,970.97-2,813.51

Finding the Fourth Proportional to 5,051.94, 6,970.97 and 2,813.51

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Solution

The fourth proportional to 5,051.94, 6,970.97 and 2,813.51 is: 3,882.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,051.94 : 6,970.97 = 2,813.51 : x
  2. Step 2: Convert to fraction form
    5,051.94/6,970.97 = 2,813.51/x
  3. Step 3: Cross multiply
    5,051.94x = 6,970.97 × 2,813.51
  4. Step 4: Simplify right side
    5,051.94x = 19,612,893.80
  5. Step 5: Solve for x
    x = 19,612,893.80/5,051.94
  6. Step 6: Final answer
    x = 3,882.25

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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.