Home / 8,784.03-13,180.59-3,857.13

Finding the Fourth Proportional to 8,784.03, 13,180.59 and 3,857.13

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Solution

The fourth proportional to 8,784.03, 13,180.59 and 3,857.13 is: 5,787.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,784.03 : 13,180.59 = 3,857.13 : x
  2. Step 2: Convert to fraction form
    8,784.03/13,180.59 = 3,857.13/x
  3. Step 3: Cross multiply
    8,784.03x = 13,180.59 × 3,857.13
  4. Step 4: Simplify right side
    8,784.03x = 50,839,249.11
  5. Step 5: Solve for x
    x = 50,839,249.11/8,784.03
  6. Step 6: Final answer
    x = 5,787.69

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1.5x scale

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.