Home / 5,226.76-7,839.87-1,330.93

Finding the Fourth Proportional to 5,226.76, 7,839.87 and 1,330.93

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Solution

The fourth proportional to 5,226.76, 7,839.87 and 1,330.93 is: 1,996.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,226.76 : 7,839.87 = 1,330.93 : x
  2. Step 2: Convert to fraction form
    5,226.76/7,839.87 = 1,330.93/x
  3. Step 3: Cross multiply
    5,226.76x = 7,839.87 × 1,330.93
  4. Step 4: Simplify right side
    5,226.76x = 10,434,318.18
  5. Step 5: Solve for x
    x = 10,434,318.18/5,226.76
  6. Step 6: Final answer
    x = 1,996.33

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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.