Home / 7,008.79-9,674.48-4,177.05

Finding the Fourth Proportional to 7,008.79, 9,674.48 and 4,177.05

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Solution

The fourth proportional to 7,008.79, 9,674.48 and 4,177.05 is: 5,765.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,008.79 : 9,674.48 = 4,177.05 : x
  2. Step 2: Convert to fraction form
    7,008.79/9,674.48 = 4,177.05/x
  3. Step 3: Cross multiply
    7,008.79x = 9,674.48 × 4,177.05
  4. Step 4: Simplify right side
    7,008.79x = 40,410,786.68
  5. Step 5: Solve for x
    x = 40,410,786.68/7,008.79
  6. Step 6: Final answer
    x = 5,765.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.