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Finding the Fourth Proportional to 7,385.00, 11,077.97 and 5,157.09

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Solution

The fourth proportional to 7,385.00, 11,077.97 and 5,157.09 is: 7,735.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,385.00 : 11,077.97 = 5,157.09 : x
  2. Step 2: Convert to fraction form
    7,385.00/11,077.97 = 5,157.09/x
  3. Step 3: Cross multiply
    7,385.00x = 11,077.97 × 5,157.09
  4. Step 4: Simplify right side
    7,385.00x = 57,130,062.52
  5. Step 5: Solve for x
    x = 57,130,062.52/7,385.00
  6. Step 6: Final answer
    x = 7,735.96

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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.