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Finding the Fourth Proportional to 8,533.88, 11,771.00 and 7,412.87

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Solution

The fourth proportional to 8,533.88, 11,771.00 and 7,412.87 is: 10,224.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,533.88 : 11,771.00 = 7,412.87 : x
  2. Step 2: Convert to fraction form
    8,533.88/11,771.00 = 7,412.87/x
  3. Step 3: Cross multiply
    8,533.88x = 11,771.00 × 7,412.87
  4. Step 4: Simplify right side
    8,533.88x = 87,256,825.87
  5. Step 5: Solve for x
    x = 87,256,825.87/8,533.88
  6. Step 6: Final answer
    x = 10,224.75

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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.