Home / 5,678.82-8,518.24-2,560.31

Finding the Fourth Proportional to 5,678.82, 8,518.24 and 2,560.31

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Solution

The fourth proportional to 5,678.82, 8,518.24 and 2,560.31 is: 3,840.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,678.82 : 8,518.24 = 2,560.31 : x
  2. Step 2: Convert to fraction form
    5,678.82/8,518.24 = 2,560.31/x
  3. Step 3: Cross multiply
    5,678.82x = 8,518.24 × 2,560.31
  4. Step 4: Simplify right side
    5,678.82x = 21,809,292.46
  5. Step 5: Solve for x
    x = 21,809,292.46/5,678.82
  6. Step 6: Final answer
    x = 3,840.46

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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.