Home / 8,560.14-11,812.64-5,375.09

Finding the Fourth Proportional to 8,560.14, 11,812.64 and 5,375.09

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Solution

The fourth proportional to 8,560.14, 11,812.64 and 5,375.09 is: 7,417.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,560.14 : 11,812.64 = 5,375.09 : x
  2. Step 2: Convert to fraction form
    8,560.14/11,812.64 = 5,375.09/x
  3. Step 3: Cross multiply
    8,560.14x = 11,812.64 × 5,375.09
  4. Step 4: Simplify right side
    8,560.14x = 63,493,917.20
  5. Step 5: Solve for x
    x = 63,493,917.20/8,560.14
  6. Step 6: Final answer
    x = 7,417.39

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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.