Home / 7,889.42-11,834.76-4,602.85

Finding the Fourth Proportional to 7,889.42, 11,834.76 and 4,602.85

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Solution

The fourth proportional to 7,889.42, 11,834.76 and 4,602.85 is: 6,904.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,889.42 : 11,834.76 = 4,602.85 : x
  2. Step 2: Convert to fraction form
    7,889.42/11,834.76 = 4,602.85/x
  3. Step 3: Cross multiply
    7,889.42x = 11,834.76 × 4,602.85
  4. Step 4: Simplify right side
    7,889.42x = 54,473,625.07
  5. Step 5: Solve for x
    x = 54,473,625.07/7,889.42
  6. Step 6: Final answer
    x = 6,904.64

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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.