Home / 5,621.53-8,429.66-1,671.33

Finding the Fourth Proportional to 5,621.53, 8,429.66 and 1,671.33

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Solution

The fourth proportional to 5,621.53, 8,429.66 and 1,671.33 is: 2,506.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,621.53 : 8,429.66 = 1,671.33 : x
  2. Step 2: Convert to fraction form
    5,621.53/8,429.66 = 1,671.33/x
  3. Step 3: Cross multiply
    5,621.53x = 8,429.66 × 1,671.33
  4. Step 4: Simplify right side
    5,621.53x = 14,088,743.65
  5. Step 5: Solve for x
    x = 14,088,743.65/5,621.53
  6. Step 6: Final answer
    x = 2,506.21

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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.