Home / 4,928.30-6,801.22-2,690.30

Finding the Fourth Proportional to 4,928.30, 6,801.22 and 2,690.30

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Solution

The fourth proportional to 4,928.30, 6,801.22 and 2,690.30 is: 3,712.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,928.30 : 6,801.22 = 2,690.30 : x
  2. Step 2: Convert to fraction form
    4,928.30/6,801.22 = 2,690.30/x
  3. Step 3: Cross multiply
    4,928.30x = 6,801.22 × 2,690.30
  4. Step 4: Simplify right side
    4,928.30x = 18,297,274.71
  5. Step 5: Solve for x
    x = 18,297,274.71/4,928.30
  6. Step 6: Final answer
    x = 3,712.69

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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.