Home / 7,789.68-11,674.28-3,170.16

Finding the Fourth Proportional to 7,789.68, 11,674.28 and 3,170.16

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Solution

The fourth proportional to 7,789.68, 11,674.28 and 3,170.16 is: 4,751.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,789.68 : 11,674.28 = 3,170.16 : x
  2. Step 2: Convert to fraction form
    7,789.68/11,674.28 = 3,170.16/x
  3. Step 3: Cross multiply
    7,789.68x = 11,674.28 × 3,170.16
  4. Step 4: Simplify right side
    7,789.68x = 37,009,335.48
  5. Step 5: Solve for x
    x = 37,009,335.48/7,789.68
  6. Step 6: Final answer
    x = 4,751.07

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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.