Home / 7,889.52-11,851.47-4,770.99

Finding the Fourth Proportional to 7,889.52, 11,851.47 and 4,770.99

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Solution

The fourth proportional to 7,889.52, 11,851.47 and 4,770.99 is: 7,166.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,889.52 : 11,851.47 = 4,770.99 : x
  2. Step 2: Convert to fraction form
    7,889.52/11,851.47 = 4,770.99/x
  3. Step 3: Cross multiply
    7,889.52x = 11,851.47 × 4,770.99
  4. Step 4: Simplify right side
    7,889.52x = 56,543,244.86
  5. Step 5: Solve for x
    x = 56,543,244.86/7,889.52
  6. Step 6: Final answer
    x = 7,166.88

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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.