Home / 5,617.41-8,424.39-1,721.70

Finding the Fourth Proportional to 5,617.41, 8,424.39 and 1,721.70

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Solution

The fourth proportional to 5,617.41, 8,424.39 and 1,721.70 is: 2,582.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,617.41 : 8,424.39 = 1,721.70 : x
  2. Step 2: Convert to fraction form
    5,617.41/8,424.39 = 1,721.70/x
  3. Step 3: Cross multiply
    5,617.41x = 8,424.39 × 1,721.70
  4. Step 4: Simplify right side
    5,617.41x = 14,504,272.26
  5. Step 5: Solve for x
    x = 14,504,272.26/5,617.41
  6. Step 6: Final answer
    x = 2,582.02

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1.5x scale

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.