Home / 4,477.28-6,178.68-2,488.02

Finding the Fourth Proportional to 4,477.28, 6,178.68 and 2,488.02

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Solution

The fourth proportional to 4,477.28, 6,178.68 and 2,488.02 is: 3,433.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,477.28 : 6,178.68 = 2,488.02 : x
  2. Step 2: Convert to fraction form
    4,477.28/6,178.68 = 2,488.02/x
  3. Step 3: Cross multiply
    4,477.28x = 6,178.68 × 2,488.02
  4. Step 4: Simplify right side
    4,477.28x = 15,372,679.41
  5. Step 5: Solve for x
    x = 15,372,679.41/4,477.28
  6. Step 6: Final answer
    x = 3,433.49

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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.