Home / 5,457.24-8,186.60-2,170.68

Finding the Fourth Proportional to 5,457.24, 8,186.60 and 2,170.68

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Solution

The fourth proportional to 5,457.24, 8,186.60 and 2,170.68 is: 3,256.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,457.24 : 8,186.60 = 2,170.68 : x
  2. Step 2: Convert to fraction form
    5,457.24/8,186.60 = 2,170.68/x
  3. Step 3: Cross multiply
    5,457.24x = 8,186.60 × 2,170.68
  4. Step 4: Simplify right side
    5,457.24x = 17,770,488.89
  5. Step 5: Solve for x
    x = 17,770,488.89/5,457.24
  6. Step 6: Final answer
    x = 3,256.31

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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.