Home / 4,919.70-6,788.98-2,681.52

Finding the Fourth Proportional to 4,919.70, 6,788.98 and 2,681.52

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Solution

The fourth proportional to 4,919.70, 6,788.98 and 2,681.52 is: 3,700.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,919.70 : 6,788.98 = 2,681.52 : x
  2. Step 2: Convert to fraction form
    4,919.70/6,788.98 = 2,681.52/x
  3. Step 3: Cross multiply
    4,919.70x = 6,788.98 × 2,681.52
  4. Step 4: Simplify right side
    4,919.70x = 18,204,785.65
  5. Step 5: Solve for x
    x = 18,204,785.65/4,919.70
  6. Step 6: Final answer
    x = 3,700.39

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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.