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Finding the Fourth Proportional to 8,283.01, 11,430.15 and 4,505.98

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Solution

The fourth proportional to 8,283.01, 11,430.15 and 4,505.98 is: 6,218.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,283.01 : 11,430.15 = 4,505.98 : x
  2. Step 2: Convert to fraction form
    8,283.01/11,430.15 = 4,505.98/x
  3. Step 3: Cross multiply
    8,283.01x = 11,430.15 × 4,505.98
  4. Step 4: Simplify right side
    8,283.01x = 51,504,027.30
  5. Step 5: Solve for x
    x = 51,504,027.30/8,283.01
  6. Step 6: Final answer
    x = 6,218.03

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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.