Home / 5,382.40-7,427.88-3,258.32

Finding the Fourth Proportional to 5,382.40, 7,427.88 and 3,258.32

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Solution

The fourth proportional to 5,382.40, 7,427.88 and 3,258.32 is: 4,496.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,382.40 : 7,427.88 = 3,258.32 : x
  2. Step 2: Convert to fraction form
    5,382.40/7,427.88 = 3,258.32/x
  3. Step 3: Cross multiply
    5,382.40x = 7,427.88 × 3,258.32
  4. Step 4: Simplify right side
    5,382.40x = 24,202,409.96
  5. Step 5: Solve for x
    x = 24,202,409.96/5,382.40
  6. Step 6: Final answer
    x = 4,496.58

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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.