Home / 7,888.54-11,831.26-2,622.72

Finding the Fourth Proportional to 7,888.54, 11,831.26 and 2,622.72

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Solution

The fourth proportional to 7,888.54, 11,831.26 and 2,622.72 is: 3,933.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,888.54 : 11,831.26 = 2,622.72 : x
  2. Step 2: Convert to fraction form
    7,888.54/11,831.26 = 2,622.72/x
  3. Step 3: Cross multiply
    7,888.54x = 11,831.26 × 2,622.72
  4. Step 4: Simplify right side
    7,888.54x = 31,030,082.23
  5. Step 5: Solve for x
    x = 31,030,082.23/7,888.54
  6. Step 6: Final answer
    x = 3,933.56

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1.5x scale

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.