Home / 5,205.51-7,804.62-2,607.03

Finding the Fourth Proportional to 5,205.51, 7,804.62 and 2,607.03

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Solution

The fourth proportional to 5,205.51, 7,804.62 and 2,607.03 is: 3,908.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,205.51 : 7,804.62 = 2,607.03 : x
  2. Step 2: Convert to fraction form
    5,205.51/7,804.62 = 2,607.03/x
  3. Step 3: Cross multiply
    5,205.51x = 7,804.62 × 2,607.03
  4. Step 4: Simplify right side
    5,205.51x = 20,346,878.48
  5. Step 5: Solve for x
    x = 20,346,878.48/5,205.51
  6. Step 6: Final answer
    x = 3,908.72

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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.