Home / 4,109.01-6,162.30-1,187.34

Finding the Fourth Proportional to 4,109.01, 6,162.30 and 1,187.34

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Solution

The fourth proportional to 4,109.01, 6,162.30 and 1,187.34 is: 1,780.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,109.01 : 6,162.30 = 1,187.34 : x
  2. Step 2: Convert to fraction form
    4,109.01/6,162.30 = 1,187.34/x
  3. Step 3: Cross multiply
    4,109.01x = 6,162.30 × 1,187.34
  4. Step 4: Simplify right side
    4,109.01x = 7,316,745.28
  5. Step 5: Solve for x
    x = 7,316,745.28/4,109.01
  6. Step 6: Final answer
    x = 1,780.66

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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.