Home / 5,563.50-7,678.56-3,205.26

Finding the Fourth Proportional to 5,563.50, 7,678.56 and 3,205.26

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Solution

The fourth proportional to 5,563.50, 7,678.56 and 3,205.26 is: 4,423.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,563.50 : 7,678.56 = 3,205.26 : x
  2. Step 2: Convert to fraction form
    5,563.50/7,678.56 = 3,205.26/x
  3. Step 3: Cross multiply
    5,563.50x = 7,678.56 × 3,205.26
  4. Step 4: Simplify right side
    5,563.50x = 24,611,781.23
  5. Step 5: Solve for x
    x = 24,611,781.23/5,563.50
  6. Step 6: Final answer
    x = 4,423.79

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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.