Home / 5,020.86-7,531.34-1,323.62

Finding the Fourth Proportional to 5,020.86, 7,531.34 and 1,323.62

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Solution

The fourth proportional to 5,020.86, 7,531.34 and 1,323.62 is: 1,985.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,020.86 : 7,531.34 = 1,323.62 : x
  2. Step 2: Convert to fraction form
    5,020.86/7,531.34 = 1,323.62/x
  3. Step 3: Cross multiply
    5,020.86x = 7,531.34 × 1,323.62
  4. Step 4: Simplify right side
    5,020.86x = 9,968,632.25
  5. Step 5: Solve for x
    x = 9,968,632.25/5,020.86
  6. Step 6: Final answer
    x = 1,985.44

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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.