Home / 4,436.28-6,654.45-2,120.76

Finding the Fourth Proportional to 4,436.28, 6,654.45 and 2,120.76

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Solution

The fourth proportional to 4,436.28, 6,654.45 and 2,120.76 is: 3,181.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,436.28 : 6,654.45 = 2,120.76 : x
  2. Step 2: Convert to fraction form
    4,436.28/6,654.45 = 2,120.76/x
  3. Step 3: Cross multiply
    4,436.28x = 6,654.45 × 2,120.76
  4. Step 4: Simplify right side
    4,436.28x = 14,112,491.38
  5. Step 5: Solve for x
    x = 14,112,491.38/4,436.28
  6. Step 6: Final answer
    x = 3,181.15

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1.5x scale

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.