Home / 5,378.22-8,064.15-1,628.88

Finding the Fourth Proportional to 5,378.22, 8,064.15 and 1,628.88

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Solution

The fourth proportional to 5,378.22, 8,064.15 and 1,628.88 is: 2,442.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,378.22 : 8,064.15 = 1,628.88 : x
  2. Step 2: Convert to fraction form
    5,378.22/8,064.15 = 1,628.88/x
  3. Step 3: Cross multiply
    5,378.22x = 8,064.15 × 1,628.88
  4. Step 4: Simplify right side
    5,378.22x = 13,135,532.65
  5. Step 5: Solve for x
    x = 13,135,532.65/5,378.22
  6. Step 6: Final answer
    x = 2,442.36

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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.