Home / 4,428.24-6,639.12-1,505.76

Finding the Fourth Proportional to 4,428.24, 6,639.12 and 1,505.76

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Solution

The fourth proportional to 4,428.24, 6,639.12 and 1,505.76 is: 2,257.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,428.24 : 6,639.12 = 1,505.76 : x
  2. Step 2: Convert to fraction form
    4,428.24/6,639.12 = 1,505.76/x
  3. Step 3: Cross multiply
    4,428.24x = 6,639.12 × 1,505.76
  4. Step 4: Simplify right side
    4,428.24x = 9,996,921.33
  5. Step 5: Solve for x
    x = 9,996,921.33/4,428.24
  6. Step 6: Final answer
    x = 2,257.54

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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.