Home / 4,081.60-6,119.40-1,306.68

Finding the Fourth Proportional to 4,081.60, 6,119.40 and 1,306.68

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Solution

The fourth proportional to 4,081.60, 6,119.40 and 1,306.68 is: 1,959.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,081.60 : 6,119.40 = 1,306.68 : x
  2. Step 2: Convert to fraction form
    4,081.60/6,119.40 = 1,306.68/x
  3. Step 3: Cross multiply
    4,081.60x = 6,119.40 × 1,306.68
  4. Step 4: Simplify right side
    4,081.60x = 7,996,097.59
  5. Step 5: Solve for x
    x = 7,996,097.59/4,081.60
  6. Step 6: Final answer
    x = 1,959.06

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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.