Home / 8,161.90-11,262.74-4,527.72

Finding the Fourth Proportional to 8,161.90, 11,262.74 and 4,527.72

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Solution

The fourth proportional to 8,161.90, 11,262.74 and 4,527.72 is: 6,247.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,161.90 : 11,262.74 = 4,527.72 : x
  2. Step 2: Convert to fraction form
    8,161.90/11,262.74 = 4,527.72/x
  3. Step 3: Cross multiply
    8,161.90x = 11,262.74 × 4,527.72
  4. Step 4: Simplify right side
    8,161.90x = 50,994,533.15
  5. Step 5: Solve for x
    x = 50,994,533.15/8,161.90
  6. Step 6: Final answer
    x = 6,247.88

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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.