Home / 5,271.69-7,906.63-1,808.94

Finding the Fourth Proportional to 5,271.69, 7,906.63 and 1,808.94

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Solution

The fourth proportional to 5,271.69, 7,906.63 and 1,808.94 is: 2,713.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,271.69 : 7,906.63 = 1,808.94 : x
  2. Step 2: Convert to fraction form
    5,271.69/7,906.63 = 1,808.94/x
  3. Step 3: Cross multiply
    5,271.69x = 7,906.63 × 1,808.94
  4. Step 4: Simplify right side
    5,271.69x = 14,302,619.27
  5. Step 5: Solve for x
    x = 14,302,619.27/5,271.69
  6. Step 6: Final answer
    x = 2,713.10

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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.