Home / 5,419.39-8,116.03-2,779.93

Finding the Fourth Proportional to 5,419.39, 8,116.03 and 2,779.93

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Solution

The fourth proportional to 5,419.39, 8,116.03 and 2,779.93 is: 4,163.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,419.39 : 8,116.03 = 2,779.93 : x
  2. Step 2: Convert to fraction form
    5,419.39/8,116.03 = 2,779.93/x
  3. Step 3: Cross multiply
    5,419.39x = 8,116.03 × 2,779.93
  4. Step 4: Simplify right side
    5,419.39x = 22,561,995.28
  5. Step 5: Solve for x
    x = 22,561,995.28/5,419.39
  6. Step 6: Final answer
    x = 4,163.20

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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.