Home / 6,150.79-9,225.64-3,189.09

Finding the Fourth Proportional to 6,150.79, 9,225.64 and 3,189.09

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Solution

The fourth proportional to 6,150.79, 9,225.64 and 3,189.09 is: 4,783.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,150.79 : 9,225.64 = 3,189.09 : x
  2. Step 2: Convert to fraction form
    6,150.79/9,225.64 = 3,189.09/x
  3. Step 3: Cross multiply
    6,150.79x = 9,225.64 × 3,189.09
  4. Step 4: Simplify right side
    6,150.79x = 29,421,396.27
  5. Step 5: Solve for x
    x = 29,421,396.27/6,150.79
  6. Step 6: Final answer
    x = 4,783.35

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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.