Home / 9,006.72-13,509.40-3,739.36

Finding the Fourth Proportional to 9,006.72, 13,509.40 and 3,739.36

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Solution

The fourth proportional to 9,006.72, 13,509.40 and 3,739.36 is: 5,608.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,006.72 : 13,509.40 = 3,739.36 : x
  2. Step 2: Convert to fraction form
    9,006.72/13,509.40 = 3,739.36/x
  3. Step 3: Cross multiply
    9,006.72x = 13,509.40 × 3,739.36
  4. Step 4: Simplify right side
    9,006.72x = 50,516,509.98
  5. Step 5: Solve for x
    x = 50,516,509.98/9,006.72
  6. Step 6: Final answer
    x = 5,608.76

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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.