Home / 5,613.56-8,420.37-1,453.28

Finding the Fourth Proportional to 5,613.56, 8,420.37 and 1,453.28

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Solution

The fourth proportional to 5,613.56, 8,420.37 and 1,453.28 is: 2,179.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,613.56 : 8,420.37 = 1,453.28 : x
  2. Step 2: Convert to fraction form
    5,613.56/8,420.37 = 1,453.28/x
  3. Step 3: Cross multiply
    5,613.56x = 8,420.37 × 1,453.28
  4. Step 4: Simplify right side
    5,613.56x = 12,237,107.76
  5. Step 5: Solve for x
    x = 12,237,107.76/5,613.56
  6. Step 6: Final answer
    x = 2,179.92

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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.