Home / 4,792.24-7,187.56-1,328.68

Finding the Fourth Proportional to 4,792.24, 7,187.56 and 1,328.68

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Solution

The fourth proportional to 4,792.24, 7,187.56 and 1,328.68 is: 1,992.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,792.24 : 7,187.56 = 1,328.68 : x
  2. Step 2: Convert to fraction form
    4,792.24/7,187.56 = 1,328.68/x
  3. Step 3: Cross multiply
    4,792.24x = 7,187.56 × 1,328.68
  4. Step 4: Simplify right side
    4,792.24x = 9,549,967.22
  5. Step 5: Solve for x
    x = 9,549,967.22/4,792.24
  6. Step 6: Final answer
    x = 1,992.80

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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.