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Finding the Fourth Proportional to 5,763.86, 7,954.53 and 3,279.86

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Solution

The fourth proportional to 5,763.86, 7,954.53 and 3,279.86 is: 4,526.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,763.86 : 7,954.53 = 3,279.86 : x
  2. Step 2: Convert to fraction form
    5,763.86/7,954.53 = 3,279.86/x
  3. Step 3: Cross multiply
    5,763.86x = 7,954.53 × 3,279.86
  4. Step 4: Simplify right side
    5,763.86x = 26,089,744.77
  5. Step 5: Solve for x
    x = 26,089,744.77/5,763.86
  6. Step 6: Final answer
    x = 4,526.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.