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Finding the Fourth Proportional to 9,000.77, 13,507.19 and 3,735.79

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Solution

The fourth proportional to 9,000.77, 13,507.19 and 3,735.79 is: 5,606.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,000.77 : 13,507.19 = 3,735.79 : x
  2. Step 2: Convert to fraction form
    9,000.77/13,507.19 = 3,735.79/x
  3. Step 3: Cross multiply
    9,000.77x = 13,507.19 × 3,735.79
  4. Step 4: Simplify right side
    9,000.77x = 50,460,025.33
  5. Step 5: Solve for x
    x = 50,460,025.33/9,000.77
  6. Step 6: Final answer
    x = 5,606.19

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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.