Home / 4,427.47-6,639.50-1,653.55

Finding the Fourth Proportional to 4,427.47, 6,639.50 and 1,653.55

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Solution

The fourth proportional to 4,427.47, 6,639.50 and 1,653.55 is: 2,479.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,427.47 : 6,639.50 = 1,653.55 : x
  2. Step 2: Convert to fraction form
    4,427.47/6,639.50 = 1,653.55/x
  3. Step 3: Cross multiply
    4,427.47x = 6,639.50 × 1,653.55
  4. Step 4: Simplify right side
    4,427.47x = 10,978,745.23
  5. Step 5: Solve for x
    x = 10,978,745.23/4,427.47
  6. Step 6: Final answer
    x = 2,479.69

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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.