Home / 4,848.32-7,272.79-1,338.39

Finding the Fourth Proportional to 4,848.32, 7,272.79 and 1,338.39

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Solution

The fourth proportional to 4,848.32, 7,272.79 and 1,338.39 is: 2,007.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,848.32 : 7,272.79 = 1,338.39 : x
  2. Step 2: Convert to fraction form
    4,848.32/7,272.79 = 1,338.39/x
  3. Step 3: Cross multiply
    4,848.32x = 7,272.79 × 1,338.39
  4. Step 4: Simplify right side
    4,848.32x = 9,733,826.06
  5. Step 5: Solve for x
    x = 9,733,826.06/4,848.32
  6. Step 6: Final answer
    x = 2,007.67

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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.