Home / 4,928.22-6,800.90-2,690.08

Finding the Fourth Proportional to 4,928.22, 6,800.90 and 2,690.08

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Solution

The fourth proportional to 4,928.22, 6,800.90 and 2,690.08 is: 3,712.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,928.22 : 6,800.90 = 2,690.08 : x
  2. Step 2: Convert to fraction form
    4,928.22/6,800.90 = 2,690.08/x
  3. Step 3: Cross multiply
    4,928.22x = 6,800.90 × 2,690.08
  4. Step 4: Simplify right side
    4,928.22x = 18,294,965.07
  5. Step 5: Solve for x
    x = 18,294,965.07/4,928.22
  6. Step 6: Final answer
    x = 3,712.29

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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.