Home / 8,784.05-13,182.08-3,855.06

Finding the Fourth Proportional to 8,784.05, 13,182.08 and 3,855.06

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Solution

The fourth proportional to 8,784.05, 13,182.08 and 3,855.06 is: 5,785.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,784.05 : 13,182.08 = 3,855.06 : x
  2. Step 2: Convert to fraction form
    8,784.05/13,182.08 = 3,855.06/x
  3. Step 3: Cross multiply
    8,784.05x = 13,182.08 × 3,855.06
  4. Step 4: Simplify right side
    8,784.05x = 50,817,690.05
  5. Step 5: Solve for x
    x = 50,817,690.05/8,784.05
  6. Step 6: Final answer
    x = 5,785.23

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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.