Home / 5,619.96-8,430.30-1,922.58

Finding the Fourth Proportional to 5,619.96, 8,430.30 and 1,922.58

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Solution

The fourth proportional to 5,619.96, 8,430.30 and 1,922.58 is: 2,883.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,619.96 : 8,430.30 = 1,922.58 : x
  2. Step 2: Convert to fraction form
    5,619.96/8,430.30 = 1,922.58/x
  3. Step 3: Cross multiply
    5,619.96x = 8,430.30 × 1,922.58
  4. Step 4: Simplify right side
    5,619.96x = 16,207,926.17
  5. Step 5: Solve for x
    x = 16,207,926.17/5,619.96
  6. Step 6: Final answer
    x = 2,883.99

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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.