Home / 9,219.32-13,830.35-3,375.47

Finding the Fourth Proportional to 9,219.32, 13,830.35 and 3,375.47

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Solution

The fourth proportional to 9,219.32, 13,830.35 and 3,375.47 is: 5,063.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,219.32 : 13,830.35 = 3,375.47 : x
  2. Step 2: Convert to fraction form
    9,219.32/13,830.35 = 3,375.47/x
  3. Step 3: Cross multiply
    9,219.32x = 13,830.35 × 3,375.47
  4. Step 4: Simplify right side
    9,219.32x = 46,683,931.51
  5. Step 5: Solve for x
    x = 46,683,931.51/9,219.32
  6. Step 6: Final answer
    x = 5,063.71

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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.