Home / 5,564.30-7,677.63-3,174.21

Finding the Fourth Proportional to 5,564.30, 7,677.63 and 3,174.21

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Solution

The fourth proportional to 5,564.30, 7,677.63 and 3,174.21 is: 4,379.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,564.30 : 7,677.63 = 3,174.21 : x
  2. Step 2: Convert to fraction form
    5,564.30/7,677.63 = 3,174.21/x
  3. Step 3: Cross multiply
    5,564.30x = 7,677.63 × 3,174.21
  4. Step 4: Simplify right side
    5,564.30x = 24,370,409.92
  5. Step 5: Solve for x
    x = 24,370,409.92/5,564.30
  6. Step 6: Final answer
    x = 4,379.78

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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.