Home / 5,026.84-6,936.96-2,788.72

Finding the Fourth Proportional to 5,026.84, 6,936.96 and 2,788.72

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Solution

The fourth proportional to 5,026.84, 6,936.96 and 2,788.72 is: 3,848.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,026.84 : 6,936.96 = 2,788.72 : x
  2. Step 2: Convert to fraction form
    5,026.84/6,936.96 = 2,788.72/x
  3. Step 3: Cross multiply
    5,026.84x = 6,936.96 × 2,788.72
  4. Step 4: Simplify right side
    5,026.84x = 19,345,239.09
  5. Step 5: Solve for x
    x = 19,345,239.09/5,026.84
  6. Step 6: Final answer
    x = 3,848.39

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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.