Home / 4,111.30-6,167.30-1,189.64

Finding the Fourth Proportional to 4,111.30, 6,167.30 and 1,189.64

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Solution

The fourth proportional to 4,111.30, 6,167.30 and 1,189.64 is: 1,784.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,111.30 : 6,167.30 = 1,189.64 : x
  2. Step 2: Convert to fraction form
    4,111.30/6,167.30 = 1,189.64/x
  3. Step 3: Cross multiply
    4,111.30x = 6,167.30 × 1,189.64
  4. Step 4: Simplify right side
    4,111.30x = 7,336,866.77
  5. Step 5: Solve for x
    x = 7,336,866.77/4,111.30
  6. Step 6: Final answer
    x = 1,784.56

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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.