Home / 7,814.84-11,711.94-4,684.76

Finding the Fourth Proportional to 7,814.84, 11,711.94 and 4,684.76

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Solution

The fourth proportional to 7,814.84, 11,711.94 and 4,684.76 is: 7,020.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,814.84 : 11,711.94 = 4,684.76 : x
  2. Step 2: Convert to fraction form
    7,814.84/11,711.94 = 4,684.76/x
  3. Step 3: Cross multiply
    7,814.84x = 11,711.94 × 4,684.76
  4. Step 4: Simplify right side
    7,814.84x = 54,867,628.03
  5. Step 5: Solve for x
    x = 54,867,628.03/7,814.84
  6. Step 6: Final answer
    x = 7,020.95

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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.