Home / 4,919.87-6,789.17-2,681.53

Finding the Fourth Proportional to 4,919.87, 6,789.17 and 2,681.53

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Solution

The fourth proportional to 4,919.87, 6,789.17 and 2,681.53 is: 3,700.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,919.87 : 6,789.17 = 2,681.53 : x
  2. Step 2: Convert to fraction form
    4,919.87/6,789.17 = 2,681.53/x
  3. Step 3: Cross multiply
    4,919.87x = 6,789.17 × 2,681.53
  4. Step 4: Simplify right side
    4,919.87x = 18,205,352.76
  5. Step 5: Solve for x
    x = 18,205,352.76/4,919.87
  6. Step 6: Final answer
    x = 3,700.37

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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.