Home / 7,629.05-11,434.35-3,464.86

Finding the Fourth Proportional to 7,629.05, 11,434.35 and 3,464.86

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Solution

The fourth proportional to 7,629.05, 11,434.35 and 3,464.86 is: 5,193.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,629.05 : 11,434.35 = 3,464.86 : x
  2. Step 2: Convert to fraction form
    7,629.05/11,434.35 = 3,464.86/x
  3. Step 3: Cross multiply
    7,629.05x = 11,434.35 × 3,464.86
  4. Step 4: Simplify right side
    7,629.05x = 39,618,421.94
  5. Step 5: Solve for x
    x = 39,618,421.94/7,629.05
  6. Step 6: Final answer
    x = 5,193.10

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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.