Home / 5,108.80-7,662.86-2,333.56

Finding the Fourth Proportional to 5,108.80, 7,662.86 and 2,333.56

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Solution

The fourth proportional to 5,108.80, 7,662.86 and 2,333.56 is: 3,500.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,108.80 : 7,662.86 = 2,333.56 : x
  2. Step 2: Convert to fraction form
    5,108.80/7,662.86 = 2,333.56/x
  3. Step 3: Cross multiply
    5,108.80x = 7,662.86 × 2,333.56
  4. Step 4: Simplify right side
    5,108.80x = 17,881,743.58
  5. Step 5: Solve for x
    x = 17,881,743.58/5,108.80
  6. Step 6: Final answer
    x = 3,500.18

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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.