Home / 5,562.22-7,677.78-3,205.30

Finding the Fourth Proportional to 5,562.22, 7,677.78 and 3,205.30

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Solution

The fourth proportional to 5,562.22, 7,677.78 and 3,205.30 is: 4,424.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,562.22 : 7,677.78 = 3,205.30 : x
  2. Step 2: Convert to fraction form
    5,562.22/7,677.78 = 3,205.30/x
  3. Step 3: Cross multiply
    5,562.22x = 7,677.78 × 3,205.30
  4. Step 4: Simplify right side
    5,562.22x = 24,609,588.23
  5. Step 5: Solve for x
    x = 24,609,588.23/5,562.22
  6. Step 6: Final answer
    x = 4,424.42

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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.