Home / 4,039.80-6,059.68-1,118.08

Finding the Fourth Proportional to 4,039.80, 6,059.68 and 1,118.08

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Solution

The fourth proportional to 4,039.80, 6,059.68 and 1,118.08 is: 1,677.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,039.80 : 6,059.68 = 1,118.08 : x
  2. Step 2: Convert to fraction form
    4,039.80/6,059.68 = 1,118.08/x
  3. Step 3: Cross multiply
    4,039.80x = 6,059.68 × 1,118.08
  4. Step 4: Simplify right side
    4,039.80x = 6,775,207.01
  5. Step 5: Solve for x
    x = 6,775,207.01/4,039.80
  6. Step 6: Final answer
    x = 1,677.11

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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.