Home / 7,989.51-11,023.95-4,452.06

Finding the Fourth Proportional to 7,989.51, 11,023.95 and 4,452.06

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Solution

The fourth proportional to 7,989.51, 11,023.95 and 4,452.06 is: 6,142.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,989.51 : 11,023.95 = 4,452.06 : x
  2. Step 2: Convert to fraction form
    7,989.51/11,023.95 = 4,452.06/x
  3. Step 3: Cross multiply
    7,989.51x = 11,023.95 × 4,452.06
  4. Step 4: Simplify right side
    7,989.51x = 49,079,286.84
  5. Step 5: Solve for x
    x = 49,079,286.84/7,989.51
  6. Step 6: Final answer
    x = 6,142.97

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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.