Home / 5,382.96-7,428.40-3,025.52

Finding the Fourth Proportional to 5,382.96, 7,428.40 and 3,025.52

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Solution

The fourth proportional to 5,382.96, 7,428.40 and 3,025.52 is: 4,175.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,382.96 : 7,428.40 = 3,025.52 : x
  2. Step 2: Convert to fraction form
    5,382.96/7,428.40 = 3,025.52/x
  3. Step 3: Cross multiply
    5,382.96x = 7,428.40 × 3,025.52
  4. Step 4: Simplify right side
    5,382.96x = 22,474,772.77
  5. Step 5: Solve for x
    x = 22,474,772.77/5,382.96
  6. Step 6: Final answer
    x = 4,175.17

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1.5x scale

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.