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Finding the Fourth Proportional to 7,993.76, 11,032.47 and 4,850.01

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Solution

The fourth proportional to 7,993.76, 11,032.47 and 4,850.01 is: 6,693.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,993.76 : 11,032.47 = 4,850.01 : x
  2. Step 2: Convert to fraction form
    7,993.76/11,032.47 = 4,850.01/x
  3. Step 3: Cross multiply
    7,993.76x = 11,032.47 × 4,850.01
  4. Step 4: Simplify right side
    7,993.76x = 53,507,589.82
  5. Step 5: Solve for x
    x = 53,507,589.82/7,993.76
  6. Step 6: Final answer
    x = 6,693.67

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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.