Home / 5,269.34-7,905.45-1,806.86

Finding the Fourth Proportional to 5,269.34, 7,905.45 and 1,806.86

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Solution

The fourth proportional to 5,269.34, 7,905.45 and 1,806.86 is: 2,710.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,269.34 : 7,905.45 = 1,806.86 : x
  2. Step 2: Convert to fraction form
    5,269.34/7,905.45 = 1,806.86/x
  3. Step 3: Cross multiply
    5,269.34x = 7,905.45 × 1,806.86
  4. Step 4: Simplify right side
    5,269.34x = 14,284,041.39
  5. Step 5: Solve for x
    x = 14,284,041.39/5,269.34
  6. Step 6: Final answer
    x = 2,710.78

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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.