Home / 8,583.20-11,843.52-5,228.72

Finding the Fourth Proportional to 8,583.20, 11,843.52 and 5,228.72

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Solution

The fourth proportional to 8,583.20, 11,843.52 and 5,228.72 is: 7,214.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,583.20 : 11,843.52 = 5,228.72 : x
  2. Step 2: Convert to fraction form
    8,583.20/11,843.52 = 5,228.72/x
  3. Step 3: Cross multiply
    8,583.20x = 11,843.52 × 5,228.72
  4. Step 4: Simplify right side
    8,583.20x = 61,926,449.89
  5. Step 5: Solve for x
    x = 61,926,449.89/8,583.20
  6. Step 6: Final answer
    x = 7,214.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.