Home / 5,420.21-7,477.67-3,295.77

Finding the Fourth Proportional to 5,420.21, 7,477.67 and 3,295.77

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Solution

The fourth proportional to 5,420.21, 7,477.67 and 3,295.77 is: 4,546.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,420.21 : 7,477.67 = 3,295.77 : x
  2. Step 2: Convert to fraction form
    5,420.21/7,477.67 = 3,295.77/x
  3. Step 3: Cross multiply
    5,420.21x = 7,477.67 × 3,295.77
  4. Step 4: Simplify right side
    5,420.21x = 24,644,663.98
  5. Step 5: Solve for x
    x = 24,644,663.98/5,420.21
  6. Step 6: Final answer
    x = 4,546.81

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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.