Home / 5,458.80-8,188.38-1,562.88

Finding the Fourth Proportional to 5,458.80, 8,188.38 and 1,562.88

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Solution

The fourth proportional to 5,458.80, 8,188.38 and 1,562.88 is: 2,344.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,458.80 : 8,188.38 = 1,562.88 : x
  2. Step 2: Convert to fraction form
    5,458.80/8,188.38 = 1,562.88/x
  3. Step 3: Cross multiply
    5,458.80x = 8,188.38 × 1,562.88
  4. Step 4: Simplify right side
    5,458.80x = 12,797,455.33
  5. Step 5: Solve for x
    x = 12,797,455.33/5,458.80
  6. Step 6: Final answer
    x = 2,344.37

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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.