Home / 8,669.65-13,006.50-3,739.72

Finding the Fourth Proportional to 8,669.65, 13,006.50 and 3,739.72

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Solution

The fourth proportional to 8,669.65, 13,006.50 and 3,739.72 is: 5,610.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,669.65 : 13,006.50 = 3,739.72 : x
  2. Step 2: Convert to fraction form
    8,669.65/13,006.50 = 3,739.72/x
  3. Step 3: Cross multiply
    8,669.65x = 13,006.50 × 3,739.72
  4. Step 4: Simplify right side
    8,669.65x = 48,640,668.18
  5. Step 5: Solve for x
    x = 48,640,668.18/8,669.65
  6. Step 6: Final answer
    x = 5,610.45

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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.