Home / 5,414.40-8,124.16-4,262.40

Finding the Fourth Proportional to 5,414.40, 8,124.16 and 4,262.40

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Solution

The fourth proportional to 5,414.40, 8,124.16 and 4,262.40 is: 6,395.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,414.40 : 8,124.16 = 4,262.40 : x
  2. Step 2: Convert to fraction form
    5,414.40/8,124.16 = 4,262.40/x
  3. Step 3: Cross multiply
    5,414.40x = 8,124.16 × 4,262.40
  4. Step 4: Simplify right side
    5,414.40x = 34,628,419.58
  5. Step 5: Solve for x
    x = 34,628,419.58/5,414.40
  6. Step 6: Final answer
    x = 6,395.62

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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.