Home / 7,989.68-11,023.08-5,004.56

Finding the Fourth Proportional to 7,989.68, 11,023.08 and 5,004.56

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Solution

The fourth proportional to 7,989.68, 11,023.08 and 5,004.56 is: 6,904.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,989.68 : 11,023.08 = 5,004.56 : x
  2. Step 2: Convert to fraction form
    7,989.68/11,023.08 = 5,004.56/x
  3. Step 3: Cross multiply
    7,989.68x = 11,023.08 × 5,004.56
  4. Step 4: Simplify right side
    7,989.68x = 55,165,665.24
  5. Step 5: Solve for x
    x = 55,165,665.24/7,989.68
  6. Step 6: Final answer
    x = 6,904.62

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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.