Home / 4,322.28-6,483.64-1,855.40

Finding the Fourth Proportional to 4,322.28, 6,483.64 and 1,855.40

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Solution

The fourth proportional to 4,322.28, 6,483.64 and 1,855.40 is: 2,783.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,322.28 : 6,483.64 = 1,855.40 : x
  2. Step 2: Convert to fraction form
    4,322.28/6,483.64 = 1,855.40/x
  3. Step 3: Cross multiply
    4,322.28x = 6,483.64 × 1,855.40
  4. Step 4: Simplify right side
    4,322.28x = 12,029,745.66
  5. Step 5: Solve for x
    x = 12,029,745.66/4,322.28
  6. Step 6: Final answer
    x = 2,783.19

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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.