Home / 8,555.82-11,809.86-5,018.96

Finding the Fourth Proportional to 8,555.82, 11,809.86 and 5,018.96

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Solution

The fourth proportional to 8,555.82, 11,809.86 and 5,018.96 is: 6,927.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,555.82 : 11,809.86 = 5,018.96 : x
  2. Step 2: Convert to fraction form
    8,555.82/11,809.86 = 5,018.96/x
  3. Step 3: Cross multiply
    8,555.82x = 11,809.86 × 5,018.96
  4. Step 4: Simplify right side
    8,555.82x = 59,273,214.95
  5. Step 5: Solve for x
    x = 59,273,214.95/8,555.82
  6. Step 6: Final answer
    x = 6,927.82

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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.