Home / 7,733.21-11,599.71-1,889.87

Finding the Fourth Proportional to 7,733.21, 11,599.71 and 1,889.87

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Solution

The fourth proportional to 7,733.21, 11,599.71 and 1,889.87 is: 2,834.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,733.21 : 11,599.71 = 1,889.87 : x
  2. Step 2: Convert to fraction form
    7,733.21/11,599.71 = 1,889.87/x
  3. Step 3: Cross multiply
    7,733.21x = 11,599.71 × 1,889.87
  4. Step 4: Simplify right side
    7,733.21x = 21,921,878.85
  5. Step 5: Solve for x
    x = 21,921,878.85/7,733.21
  6. Step 6: Final answer
    x = 2,834.77

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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.