Home / 5,819.47-8,729.38-1,436.93

Finding the Fourth Proportional to 5,819.47, 8,729.38 and 1,436.93

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Solution

The fourth proportional to 5,819.47, 8,729.38 and 1,436.93 is: 2,155.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,819.47 : 8,729.38 = 1,436.93 : x
  2. Step 2: Convert to fraction form
    5,819.47/8,729.38 = 1,436.93/x
  3. Step 3: Cross multiply
    5,819.47x = 8,729.38 × 1,436.93
  4. Step 4: Simplify right side
    5,819.47x = 12,543,464.36
  5. Step 5: Solve for x
    x = 12,543,464.36/5,819.47
  6. Step 6: Final answer
    x = 2,155.43

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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.