Home / 8,784.08-13,176.36-3,851.20

Finding the Fourth Proportional to 8,784.08, 13,176.36 and 3,851.20

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Solution

The fourth proportional to 8,784.08, 13,176.36 and 3,851.20 is: 5,776.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,784.08 : 13,176.36 = 3,851.20 : x
  2. Step 2: Convert to fraction form
    8,784.08/13,176.36 = 3,851.20/x
  3. Step 3: Cross multiply
    8,784.08x = 13,176.36 × 3,851.20
  4. Step 4: Simplify right side
    8,784.08x = 50,744,797.63
  5. Step 5: Solve for x
    x = 50,744,797.63/8,784.08
  6. Step 6: Final answer
    x = 5,776.91

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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.