Home / 4,486.78-6,722.77-2,607.40

Finding the Fourth Proportional to 4,486.78, 6,722.77 and 2,607.40

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Solution

The fourth proportional to 4,486.78, 6,722.77 and 2,607.40 is: 3,906.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,486.78 : 6,722.77 = 2,607.40 : x
  2. Step 2: Convert to fraction form
    4,486.78/6,722.77 = 2,607.40/x
  3. Step 3: Cross multiply
    4,486.78x = 6,722.77 × 2,607.40
  4. Step 4: Simplify right side
    4,486.78x = 17,528,942.09
  5. Step 5: Solve for x
    x = 17,528,942.09/4,486.78
  6. Step 6: Final answer
    x = 3,906.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.