Home / 5,317.23-7,975.70-1,619.30

Finding the Fourth Proportional to 5,317.23, 7,975.70 and 1,619.30

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Solution

The fourth proportional to 5,317.23, 7,975.70 and 1,619.30 is: 2,428.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,317.23 : 7,975.70 = 1,619.30 : x
  2. Step 2: Convert to fraction form
    5,317.23/7,975.70 = 1,619.30/x
  3. Step 3: Cross multiply
    5,317.23x = 7,975.70 × 1,619.30
  4. Step 4: Simplify right side
    5,317.23x = 12,915,051.01
  5. Step 5: Solve for x
    x = 12,915,051.01/5,317.23
  6. Step 6: Final answer
    x = 2,428.91

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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.