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Finding the Fourth Proportional to 7,811.94, 11,700.47 and 6,044.91

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Solution

The fourth proportional to 7,811.94, 11,700.47 and 6,044.91 is: 9,053.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,811.94 : 11,700.47 = 6,044.91 : x
  2. Step 2: Convert to fraction form
    7,811.94/11,700.47 = 6,044.91/x
  3. Step 3: Cross multiply
    7,811.94x = 11,700.47 × 6,044.91
  4. Step 4: Simplify right side
    7,811.94x = 70,728,257.88
  5. Step 5: Solve for x
    x = 70,728,257.88/7,811.94
  6. Step 6: Final answer
    x = 9,053.87

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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.