Home / 5,664.35-7,816.80-3,146.70

Finding the Fourth Proportional to 5,664.35, 7,816.80 and 3,146.70

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Solution

The fourth proportional to 5,664.35, 7,816.80 and 3,146.70 is: 4,342.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,664.35 : 7,816.80 = 3,146.70 : x
  2. Step 2: Convert to fraction form
    5,664.35/7,816.80 = 3,146.70/x
  3. Step 3: Cross multiply
    5,664.35x = 7,816.80 × 3,146.70
  4. Step 4: Simplify right side
    5,664.35x = 24,597,124.56
  5. Step 5: Solve for x
    x = 24,597,124.56/5,664.35
  6. Step 6: Final answer
    x = 4,342.44

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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.