Home / 8,783.79-13,176.37-2,543.89

Finding the Fourth Proportional to 8,783.79, 13,176.37 and 2,543.89

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Solution

The fourth proportional to 8,783.79, 13,176.37 and 2,543.89 is: 3,816.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,783.79 : 13,176.37 = 2,543.89 : x
  2. Step 2: Convert to fraction form
    8,783.79/13,176.37 = 2,543.89/x
  3. Step 3: Cross multiply
    8,783.79x = 13,176.37 × 2,543.89
  4. Step 4: Simplify right side
    8,783.79x = 33,519,223.16
  5. Step 5: Solve for x
    x = 33,519,223.16/8,783.79
  6. Step 6: Final answer
    x = 3,816.03

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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.