Home / 5,613.58-8,420.34-1,453.23

Finding the Fourth Proportional to 5,613.58, 8,420.34 and 1,453.23

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Solution

The fourth proportional to 5,613.58, 8,420.34 and 1,453.23 is: 2,179.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,613.58 : 8,420.34 = 1,453.23 : x
  2. Step 2: Convert to fraction form
    5,613.58/8,420.34 = 1,453.23/x
  3. Step 3: Cross multiply
    5,613.58x = 8,420.34 × 1,453.23
  4. Step 4: Simplify right side
    5,613.58x = 12,236,687.97
  5. Step 5: Solve for x
    x = 12,236,687.97/5,613.58
  6. Step 6: Final answer
    x = 2,179.84

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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.