Home / 8,786.86-13,178.21-3,237.19

Finding the Fourth Proportional to 8,786.86, 13,178.21 and 3,237.19

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Solution

The fourth proportional to 8,786.86, 13,178.21 and 3,237.19 is: 4,855.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,786.86 : 13,178.21 = 3,237.19 : x
  2. Step 2: Convert to fraction form
    8,786.86/13,178.21 = 3,237.19/x
  3. Step 3: Cross multiply
    8,786.86x = 13,178.21 × 3,237.19
  4. Step 4: Simplify right side
    8,786.86x = 42,660,303.74
  5. Step 5: Solve for x
    x = 42,660,303.74/8,786.86
  6. Step 6: Final answer
    x = 4,855.01

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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.