Home / 4,581.28-6,880-3,411.60

Finding the Fourth Proportional to 4,581.28, 6,880 and 3,411.60

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Solution

The fourth proportional to 4,581.28, 6,880 and 3,411.60 is: 5,123.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,581.28 : 6,880 = 3,411.60 : x
  2. Step 2: Convert to fraction form
    4,581.28/6,880 = 3,411.60/x
  3. Step 3: Cross multiply
    4,581.28x = 6,880 × 3,411.60
  4. Step 4: Simplify right side
    4,581.28x = 23,471,808
  5. Step 5: Solve for x
    x = 23,471,808/4,581.28
  6. Step 6: Final answer
    x = 5,123.42

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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.