Home / 8,783.16-13,178.21-3,849.35

Finding the Fourth Proportional to 8,783.16, 13,178.21 and 3,849.35

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Solution

The fourth proportional to 8,783.16, 13,178.21 and 3,849.35 is: 5,775.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,783.16 : 13,178.21 = 3,849.35 : x
  2. Step 2: Convert to fraction form
    8,783.16/13,178.21 = 3,849.35/x
  3. Step 3: Cross multiply
    8,783.16x = 13,178.21 × 3,849.35
  4. Step 4: Simplify right side
    8,783.16x = 50,727,457.53
  5. Step 5: Solve for x
    x = 50,727,457.53/8,783.16
  6. Step 6: Final answer
    x = 5,775.54

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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.