Home / 5,106.96-7,660.26-1,644.30

Finding the Fourth Proportional to 5,106.96, 7,660.26 and 1,644.30

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Solution

The fourth proportional to 5,106.96, 7,660.26 and 1,644.30 is: 2,466.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,106.96 : 7,660.26 = 1,644.30 : x
  2. Step 2: Convert to fraction form
    5,106.96/7,660.26 = 1,644.30/x
  3. Step 3: Cross multiply
    5,106.96x = 7,660.26 × 1,644.30
  4. Step 4: Simplify right side
    5,106.96x = 12,595,765.52
  5. Step 5: Solve for x
    x = 12,595,765.52/5,106.96
  6. Step 6: Final answer
    x = 2,466.39

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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.