Home / 5,422.34-7,482.76-3,183.83

Finding the Fourth Proportional to 5,422.34, 7,482.76 and 3,183.83

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Solution

The fourth proportional to 5,422.34, 7,482.76 and 3,183.83 is: 4,393.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,422.34 : 7,482.76 = 3,183.83 : x
  2. Step 2: Convert to fraction form
    5,422.34/7,482.76 = 3,183.83/x
  3. Step 3: Cross multiply
    5,422.34x = 7,482.76 × 3,183.83
  4. Step 4: Simplify right side
    5,422.34x = 23,823,835.77
  5. Step 5: Solve for x
    x = 23,823,835.77/5,422.34
  6. Step 6: Final answer
    x = 4,393.64

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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.