Home / 5,621.34-8,433.21-1,672.61

Finding the Fourth Proportional to 5,621.34, 8,433.21 and 1,672.61

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Solution

The fourth proportional to 5,621.34, 8,433.21 and 1,672.61 is: 2,509.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,621.34 : 8,433.21 = 1,672.61 : x
  2. Step 2: Convert to fraction form
    5,621.34/8,433.21 = 1,672.61/x
  3. Step 3: Cross multiply
    5,621.34x = 8,433.21 × 1,672.61
  4. Step 4: Simplify right side
    5,621.34x = 14,105,429.21
  5. Step 5: Solve for x
    x = 14,105,429.21/5,621.34
  6. Step 6: Final answer
    x = 2,509.26

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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.