Home / 4,591.76-6,889.96-2,123.80

Finding the Fourth Proportional to 4,591.76, 6,889.96 and 2,123.80

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Solution

The fourth proportional to 4,591.76, 6,889.96 and 2,123.80 is: 3,186.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,591.76 : 6,889.96 = 2,123.80 : x
  2. Step 2: Convert to fraction form
    4,591.76/6,889.96 = 2,123.80/x
  3. Step 3: Cross multiply
    4,591.76x = 6,889.96 × 2,123.80
  4. Step 4: Simplify right side
    4,591.76x = 14,632,897.05
  5. Step 5: Solve for x
    x = 14,632,897.05/4,591.76
  6. Step 6: Final answer
    x = 3,186.77

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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.