Home / 5,620.68-8,432.66-1,671.98

Finding the Fourth Proportional to 5,620.68, 8,432.66 and 1,671.98

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Solution

The fourth proportional to 5,620.68, 8,432.66 and 1,671.98 is: 2,508.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,620.68 : 8,432.66 = 1,671.98 : x
  2. Step 2: Convert to fraction form
    5,620.68/8,432.66 = 1,671.98/x
  3. Step 3: Cross multiply
    5,620.68x = 8,432.66 × 1,671.98
  4. Step 4: Simplify right side
    5,620.68x = 14,099,200.88
  5. Step 5: Solve for x
    x = 14,099,200.88/5,620.68
  6. Step 6: Final answer
    x = 2,508.45

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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.