Home / 4,411.36-6,616-1,813.92

Finding the Fourth Proportional to 4,411.36, 6,616 and 1,813.92

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Solution

The fourth proportional to 4,411.36, 6,616 and 1,813.92 is: 2,720.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,411.36 : 6,616 = 1,813.92 : x
  2. Step 2: Convert to fraction form
    4,411.36/6,616 = 1,813.92/x
  3. Step 3: Cross multiply
    4,411.36x = 6,616 × 1,813.92
  4. Step 4: Simplify right side
    4,411.36x = 12,000,894.72
  5. Step 5: Solve for x
    x = 12,000,894.72/4,411.36
  6. Step 6: Final answer
    x = 2,720.45

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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.