Home / 4,542.45-6,814.86-2,855.81

Finding the Fourth Proportional to 4,542.45, 6,814.86 and 2,855.81

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Solution

The fourth proportional to 4,542.45, 6,814.86 and 2,855.81 is: 4,284.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,542.45 : 6,814.86 = 2,855.81 : x
  2. Step 2: Convert to fraction form
    4,542.45/6,814.86 = 2,855.81/x
  3. Step 3: Cross multiply
    4,542.45x = 6,814.86 × 2,855.81
  4. Step 4: Simplify right side
    4,542.45x = 19,461,911.26
  5. Step 5: Solve for x
    x = 19,461,911.26/4,542.45
  6. Step 6: Final answer
    x = 4,284.45

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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.