Home / 8,258.57-11,406.27-5,438.54

Finding the Fourth Proportional to 8,258.57, 11,406.27 and 5,438.54

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Solution

The fourth proportional to 8,258.57, 11,406.27 and 5,438.54 is: 7,511.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,258.57 : 11,406.27 = 5,438.54 : x
  2. Step 2: Convert to fraction form
    8,258.57/11,406.27 = 5,438.54/x
  3. Step 3: Cross multiply
    8,258.57x = 11,406.27 × 5,438.54
  4. Step 4: Simplify right side
    8,258.57x = 62,033,398.61
  5. Step 5: Solve for x
    x = 62,033,398.61/8,258.57
  6. Step 6: Final answer
    x = 7,511.40

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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.