Home / 8,065.90-11,131.50-4,529.80

Finding the Fourth Proportional to 8,065.90, 11,131.50 and 4,529.80

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Solution

The fourth proportional to 8,065.90, 11,131.50 and 4,529.80 is: 6,251.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,065.90 : 11,131.50 = 4,529.80 : x
  2. Step 2: Convert to fraction form
    8,065.90/11,131.50 = 4,529.80/x
  3. Step 3: Cross multiply
    8,065.90x = 11,131.50 × 4,529.80
  4. Step 4: Simplify right side
    8,065.90x = 50,423,468.70
  5. Step 5: Solve for x
    x = 50,423,468.70/8,065.90
  6. Step 6: Final answer
    x = 6,251.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.