Home / 4,948.32-7,421.52-3,190.56

Finding the Fourth Proportional to 4,948.32, 7,421.52 and 3,190.56

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Solution

The fourth proportional to 4,948.32, 7,421.52 and 3,190.56 is: 4,785.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,948.32 : 7,421.52 = 3,190.56 : x
  2. Step 2: Convert to fraction form
    4,948.32/7,421.52 = 3,190.56/x
  3. Step 3: Cross multiply
    4,948.32x = 7,421.52 × 3,190.56
  4. Step 4: Simplify right side
    4,948.32x = 23,678,804.85
  5. Step 5: Solve for x
    x = 23,678,804.85/4,948.32
  6. Step 6: Final answer
    x = 4,785.22

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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.