Home / 4,109.10-6,162.20-1,186.62

Finding the Fourth Proportional to 4,109.10, 6,162.20 and 1,186.62

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Solution

The fourth proportional to 4,109.10, 6,162.20 and 1,186.62 is: 1,779.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,109.10 : 6,162.20 = 1,186.62 : x
  2. Step 2: Convert to fraction form
    4,109.10/6,162.20 = 1,186.62/x
  3. Step 3: Cross multiply
    4,109.10x = 6,162.20 × 1,186.62
  4. Step 4: Simplify right side
    4,109.10x = 7,312,189.76
  5. Step 5: Solve for x
    x = 7,312,189.76/4,109.10
  6. Step 6: Final answer
    x = 1,779.51

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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.