Home / 5,316.98-7,975.53-1,619.82

Finding the Fourth Proportional to 5,316.98, 7,975.53 and 1,619.82

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Solution

The fourth proportional to 5,316.98, 7,975.53 and 1,619.82 is: 2,429.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,316.98 : 7,975.53 = 1,619.82 : x
  2. Step 2: Convert to fraction form
    5,316.98/7,975.53 = 1,619.82/x
  3. Step 3: Cross multiply
    5,316.98x = 7,975.53 × 1,619.82
  4. Step 4: Simplify right side
    5,316.98x = 12,918,923.00
  5. Step 5: Solve for x
    x = 12,918,923.00/5,316.98
  6. Step 6: Final answer
    x = 2,429.75

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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.