Home / 7,883.90-11,826.15-2,619.37

Finding the Fourth Proportional to 7,883.90, 11,826.15 and 2,619.37

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Solution

The fourth proportional to 7,883.90, 11,826.15 and 2,619.37 is: 3,929.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,883.90 : 11,826.15 = 2,619.37 : x
  2. Step 2: Convert to fraction form
    7,883.90/11,826.15 = 2,619.37/x
  3. Step 3: Cross multiply
    7,883.90x = 11,826.15 × 2,619.37
  4. Step 4: Simplify right side
    7,883.90x = 30,977,062.53
  5. Step 5: Solve for x
    x = 30,977,062.53/7,883.90
  6. Step 6: Final answer
    x = 3,929.15

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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.