Home / 8,455.05-11,665.87-5,467.29

Finding the Fourth Proportional to 8,455.05, 11,665.87 and 5,467.29

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Solution

The fourth proportional to 8,455.05, 11,665.87 and 5,467.29 is: 7,543.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,455.05 : 11,665.87 = 5,467.29 : x
  2. Step 2: Convert to fraction form
    8,455.05/11,665.87 = 5,467.29/x
  3. Step 3: Cross multiply
    8,455.05x = 11,665.87 × 5,467.29
  4. Step 4: Simplify right side
    8,455.05x = 63,780,694.39
  5. Step 5: Solve for x
    x = 63,780,694.39/8,455.05
  6. Step 6: Final answer
    x = 7,543.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.