Home / 6,780.59-10,172.37-2,036.55

Finding the Fourth Proportional to 6,780.59, 10,172.37 and 2,036.55

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Solution

The fourth proportional to 6,780.59, 10,172.37 and 2,036.55 is: 3,055.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,780.59 : 10,172.37 = 2,036.55 : x
  2. Step 2: Convert to fraction form
    6,780.59/10,172.37 = 2,036.55/x
  3. Step 3: Cross multiply
    6,780.59x = 10,172.37 × 2,036.55
  4. Step 4: Simplify right side
    6,780.59x = 20,716,540.12
  5. Step 5: Solve for x
    x = 20,716,540.12/6,780.59
  6. Step 6: Final answer
    x = 3,055.27

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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.