Home / 5,026.48-6,936.60-2,788.40

Finding the Fourth Proportional to 5,026.48, 6,936.60 and 2,788.40

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Solution

The fourth proportional to 5,026.48, 6,936.60 and 2,788.40 is: 3,848.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,026.48 : 6,936.60 = 2,788.40 : x
  2. Step 2: Convert to fraction form
    5,026.48/6,936.60 = 2,788.40/x
  3. Step 3: Cross multiply
    5,026.48x = 6,936.60 × 2,788.40
  4. Step 4: Simplify right side
    5,026.48x = 19,342,015.44
  5. Step 5: Solve for x
    x = 19,342,015.44/5,026.48
  6. Step 6: Final answer
    x = 3,848.02

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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.