Home / 5,026.40-6,936.43-2,788.62

Finding the Fourth Proportional to 5,026.40, 6,936.43 and 2,788.62

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Solution

The fourth proportional to 5,026.40, 6,936.43 and 2,788.62 is: 3,848.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,026.40 : 6,936.43 = 2,788.62 : x
  2. Step 2: Convert to fraction form
    5,026.40/6,936.43 = 2,788.62/x
  3. Step 3: Cross multiply
    5,026.40x = 6,936.43 × 2,788.62
  4. Step 4: Simplify right side
    5,026.40x = 19,343,067.02
  5. Step 5: Solve for x
    x = 19,343,067.02/5,026.40
  6. Step 6: Final answer
    x = 3,848.30

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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.