Home / 8,029.76-12,039.50-3,861.46

Finding the Fourth Proportional to 8,029.76, 12,039.50 and 3,861.46

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Solution

The fourth proportional to 8,029.76, 12,039.50 and 3,861.46 is: 5,789.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,029.76 : 12,039.50 = 3,861.46 : x
  2. Step 2: Convert to fraction form
    8,029.76/12,039.50 = 3,861.46/x
  3. Step 3: Cross multiply
    8,029.76x = 12,039.50 × 3,861.46
  4. Step 4: Simplify right side
    8,029.76x = 46,490,047.67
  5. Step 5: Solve for x
    x = 46,490,047.67/8,029.76
  6. Step 6: Final answer
    x = 5,789.72

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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.