Home / 4,107.80-6,162.70-1,186.04

Finding the Fourth Proportional to 4,107.80, 6,162.70 and 1,186.04

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Solution

The fourth proportional to 4,107.80, 6,162.70 and 1,186.04 is: 1,779.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,107.80 : 6,162.70 = 1,186.04 : x
  2. Step 2: Convert to fraction form
    4,107.80/6,162.70 = 1,186.04/x
  3. Step 3: Cross multiply
    4,107.80x = 6,162.70 × 1,186.04
  4. Step 4: Simplify right side
    4,107.80x = 7,309,208.71
  5. Step 5: Solve for x
    x = 7,309,208.71/4,107.80
  6. Step 6: Final answer
    x = 1,779.35

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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.