Home / 4,477.29-6,178.56-2,487.81

Finding the Fourth Proportional to 4,477.29, 6,178.56 and 2,487.81

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Solution

The fourth proportional to 4,477.29, 6,178.56 and 2,487.81 is: 3,433.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,477.29 : 6,178.56 = 2,487.81 : x
  2. Step 2: Convert to fraction form
    4,477.29/6,178.56 = 2,487.81/x
  3. Step 3: Cross multiply
    4,477.29x = 6,178.56 × 2,487.81
  4. Step 4: Simplify right side
    4,477.29x = 15,371,083.35
  5. Step 5: Solve for x
    x = 15,371,083.35/4,477.29
  6. Step 6: Final answer
    x = 3,433.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.