Home / 5,660.33-7,814.34-3,422.79

Finding the Fourth Proportional to 5,660.33, 7,814.34 and 3,422.79

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Solution

The fourth proportional to 5,660.33, 7,814.34 and 3,422.79 is: 4,725.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,660.33 : 7,814.34 = 3,422.79 : x
  2. Step 2: Convert to fraction form
    5,660.33/7,814.34 = 3,422.79/x
  3. Step 3: Cross multiply
    5,660.33x = 7,814.34 × 3,422.79
  4. Step 4: Simplify right side
    5,660.33x = 26,746,844.81
  5. Step 5: Solve for x
    x = 26,746,844.81/5,660.33
  6. Step 6: Final answer
    x = 4,725.32

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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.