Home / 4,477.12-6,178.42-2,487.87

Finding the Fourth Proportional to 4,477.12, 6,178.42 and 2,487.87

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Solution

The fourth proportional to 4,477.12, 6,178.42 and 2,487.87 is: 3,433.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,477.12 : 6,178.42 = 2,487.87 : x
  2. Step 2: Convert to fraction form
    4,477.12/6,178.42 = 2,487.87/x
  3. Step 3: Cross multiply
    4,477.12x = 6,178.42 × 2,487.87
  4. Step 4: Simplify right side
    4,477.12x = 15,371,105.77
  5. Step 5: Solve for x
    x = 15,371,105.77/4,477.12
  6. Step 6: Final answer
    x = 3,433.26

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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.