Home / 4,255.24-6,383.70-1,658.20

Finding the Fourth Proportional to 4,255.24, 6,383.70 and 1,658.20

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Solution

The fourth proportional to 4,255.24, 6,383.70 and 1,658.20 is: 2,487.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,255.24 : 6,383.70 = 1,658.20 : x
  2. Step 2: Convert to fraction form
    4,255.24/6,383.70 = 1,658.20/x
  3. Step 3: Cross multiply
    4,255.24x = 6,383.70 × 1,658.20
  4. Step 4: Simplify right side
    4,255.24x = 10,585,451.34
  5. Step 5: Solve for x
    x = 10,585,451.34/4,255.24
  6. Step 6: Final answer
    x = 2,487.63

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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.