Home / 8,457.43-12,679.26-5,675.62

Finding the Fourth Proportional to 8,457.43, 12,679.26 and 5,675.62

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Solution

The fourth proportional to 8,457.43, 12,679.26 and 5,675.62 is: 8,508.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,457.43 : 12,679.26 = 5,675.62 : x
  2. Step 2: Convert to fraction form
    8,457.43/12,679.26 = 5,675.62/x
  3. Step 3: Cross multiply
    8,457.43x = 12,679.26 × 5,675.62
  4. Step 4: Simplify right side
    8,457.43x = 71,962,661.64
  5. Step 5: Solve for x
    x = 71,962,661.64/8,457.43
  6. Step 6: Final answer
    x = 8,508.81

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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.