Home / 4,453.52-6,684.64-2,115.10

Finding the Fourth Proportional to 4,453.52, 6,684.64 and 2,115.10

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Solution

The fourth proportional to 4,453.52, 6,684.64 and 2,115.10 is: 3,174.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,453.52 : 6,684.64 = 2,115.10 : x
  2. Step 2: Convert to fraction form
    4,453.52/6,684.64 = 2,115.10/x
  3. Step 3: Cross multiply
    4,453.52x = 6,684.64 × 2,115.10
  4. Step 4: Simplify right side
    4,453.52x = 14,138,682.06
  5. Step 5: Solve for x
    x = 14,138,682.06/4,453.52
  6. Step 6: Final answer
    x = 3,174.72

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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.