Home / 8,311.48-12,457.30-3,863.13

Finding the Fourth Proportional to 8,311.48, 12,457.30 and 3,863.13

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Solution

The fourth proportional to 8,311.48, 12,457.30 and 3,863.13 is: 5,790.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,311.48 : 12,457.30 = 3,863.13 : x
  2. Step 2: Convert to fraction form
    8,311.48/12,457.30 = 3,863.13/x
  3. Step 3: Cross multiply
    8,311.48x = 12,457.30 × 3,863.13
  4. Step 4: Simplify right side
    8,311.48x = 48,124,190.29
  5. Step 5: Solve for x
    x = 48,124,190.29/8,311.48
  6. Step 6: Final answer
    x = 5,790.09

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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.