Home / 7,888.45-11,838.54-3,729.73

Finding the Fourth Proportional to 7,888.45, 11,838.54 and 3,729.73

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Solution

The fourth proportional to 7,888.45, 11,838.54 and 3,729.73 is: 5,597.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,888.45 : 11,838.54 = 3,729.73 : x
  2. Step 2: Convert to fraction form
    7,888.45/11,838.54 = 3,729.73/x
  3. Step 3: Cross multiply
    7,888.45x = 11,838.54 × 3,729.73
  4. Step 4: Simplify right side
    7,888.45x = 44,154,557.79
  5. Step 5: Solve for x
    x = 44,154,557.79/7,888.45
  6. Step 6: Final answer
    x = 5,597.37

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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.