Home / 8,555.28-11,805.84-5,020.44

Finding the Fourth Proportional to 8,555.28, 11,805.84 and 5,020.44

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Solution

The fourth proportional to 8,555.28, 11,805.84 and 5,020.44 is: 6,927.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,555.28 : 11,805.84 = 5,020.44 : x
  2. Step 2: Convert to fraction form
    8,555.28/11,805.84 = 5,020.44/x
  3. Step 3: Cross multiply
    8,555.28x = 11,805.84 × 5,020.44
  4. Step 4: Simplify right side
    8,555.28x = 59,270,511.37
  5. Step 5: Solve for x
    x = 59,270,511.37/8,555.28
  6. Step 6: Final answer
    x = 6,927.95

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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.