Home / 9,285.42-13,928.43-2,711.06

Finding the Fourth Proportional to 9,285.42, 13,928.43 and 2,711.06

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Solution

The fourth proportional to 9,285.42, 13,928.43 and 2,711.06 is: 4,066.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,285.42 : 13,928.43 = 2,711.06 : x
  2. Step 2: Convert to fraction form
    9,285.42/13,928.43 = 2,711.06/x
  3. Step 3: Cross multiply
    9,285.42x = 13,928.43 × 2,711.06
  4. Step 4: Simplify right side
    9,285.42x = 37,760,739.79
  5. Step 5: Solve for x
    x = 37,760,739.79/9,285.42
  6. Step 6: Final answer
    x = 4,066.67

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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.