Home / 6,215.45-9,321.18-2,054.68

Finding the Fourth Proportional to 6,215.45, 9,321.18 and 2,054.68

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Solution

The fourth proportional to 6,215.45, 9,321.18 and 2,054.68 is: 3,081.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,215.45 : 9,321.18 = 2,054.68 : x
  2. Step 2: Convert to fraction form
    6,215.45/9,321.18 = 2,054.68/x
  3. Step 3: Cross multiply
    6,215.45x = 9,321.18 × 2,054.68
  4. Step 4: Simplify right side
    6,215.45x = 19,152,018.82
  5. Step 5: Solve for x
    x = 19,152,018.82/6,215.45
  6. Step 6: Final answer
    x = 3,081.36

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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.