Home / 8,214.28-11,335.62-4,488.28

Finding the Fourth Proportional to 8,214.28, 11,335.62 and 4,488.28

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Solution

The fourth proportional to 8,214.28, 11,335.62 and 4,488.28 is: 6,193.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,214.28 : 11,335.62 = 4,488.28 : x
  2. Step 2: Convert to fraction form
    8,214.28/11,335.62 = 4,488.28/x
  3. Step 3: Cross multiply
    8,214.28x = 11,335.62 × 4,488.28
  4. Step 4: Simplify right side
    8,214.28x = 50,877,436.53
  5. Step 5: Solve for x
    x = 50,877,436.53/8,214.28
  6. Step 6: Final answer
    x = 6,193.78

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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.