Home / 8,669.69-13,011.83-3,743.08

Finding the Fourth Proportional to 8,669.69, 13,011.83 and 3,743.08

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Solution

The fourth proportional to 8,669.69, 13,011.83 and 3,743.08 is: 5,617.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,669.69 : 13,011.83 = 3,743.08 : x
  2. Step 2: Convert to fraction form
    8,669.69/13,011.83 = 3,743.08/x
  3. Step 3: Cross multiply
    8,669.69x = 13,011.83 × 3,743.08
  4. Step 4: Simplify right side
    8,669.69x = 48,704,320.64
  5. Step 5: Solve for x
    x = 48,704,320.64/8,669.69
  6. Step 6: Final answer
    x = 5,617.77

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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.