Home / 8,039.88-12,050.58-4,139.64

Finding the Fourth Proportional to 8,039.88, 12,050.58 and 4,139.64

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Solution

The fourth proportional to 8,039.88, 12,050.58 and 4,139.64 is: 6,204.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,039.88 : 12,050.58 = 4,139.64 : x
  2. Step 2: Convert to fraction form
    8,039.88/12,050.58 = 4,139.64/x
  3. Step 3: Cross multiply
    8,039.88x = 12,050.58 × 4,139.64
  4. Step 4: Simplify right side
    8,039.88x = 49,885,062.99
  5. Step 5: Solve for x
    x = 49,885,062.99/8,039.88
  6. Step 6: Final answer
    x = 6,204.70

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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.