Home / 5,513.80-8,272.62-3,051.40

Finding the Fourth Proportional to 5,513.80, 8,272.62 and 3,051.40

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Solution

The fourth proportional to 5,513.80, 8,272.62 and 3,051.40 is: 4,578.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,513.80 : 8,272.62 = 3,051.40 : x
  2. Step 2: Convert to fraction form
    5,513.80/8,272.62 = 3,051.40/x
  3. Step 3: Cross multiply
    5,513.80x = 8,272.62 × 3,051.40
  4. Step 4: Simplify right side
    5,513.80x = 25,243,072.67
  5. Step 5: Solve for x
    x = 25,243,072.67/5,513.80
  6. Step 6: Final answer
    x = 4,578.16

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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.