Home / 4,187.48-6,281.64-1,721.96

Finding the Fourth Proportional to 4,187.48, 6,281.64 and 1,721.96

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Solution

The fourth proportional to 4,187.48, 6,281.64 and 1,721.96 is: 2,583.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,187.48 : 6,281.64 = 1,721.96 : x
  2. Step 2: Convert to fraction form
    4,187.48/6,281.64 = 1,721.96/x
  3. Step 3: Cross multiply
    4,187.48x = 6,281.64 × 1,721.96
  4. Step 4: Simplify right side
    4,187.48x = 10,816,732.81
  5. Step 5: Solve for x
    x = 10,816,732.81/4,187.48
  6. Step 6: Final answer
    x = 2,583.11

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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.