Home / 5,226.83-7,838.47-2,106.03

Finding the Fourth Proportional to 5,226.83, 7,838.47 and 2,106.03

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Solution

The fourth proportional to 5,226.83, 7,838.47 and 2,106.03 is: 3,158.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,226.83 : 7,838.47 = 2,106.03 : x
  2. Step 2: Convert to fraction form
    5,226.83/7,838.47 = 2,106.03/x
  3. Step 3: Cross multiply
    5,226.83x = 7,838.47 × 2,106.03
  4. Step 4: Simplify right side
    5,226.83x = 16,508,047.71
  5. Step 5: Solve for x
    x = 16,508,047.71/5,226.83
  6. Step 6: Final answer
    x = 3,158.33

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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.