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Finding the Fourth Proportional to 7,220.83, 10,814.83 and 5,651.05

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Solution

The fourth proportional to 7,220.83, 10,814.83 and 5,651.05 is: 8,463.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,220.83 : 10,814.83 = 5,651.05 : x
  2. Step 2: Convert to fraction form
    7,220.83/10,814.83 = 5,651.05/x
  3. Step 3: Cross multiply
    7,220.83x = 10,814.83 × 5,651.05
  4. Step 4: Simplify right side
    7,220.83x = 61,115,145.07
  5. Step 5: Solve for x
    x = 61,115,145.07/7,220.83
  6. Step 6: Final answer
    x = 8,463.73

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1.5x scale

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.