Home / 5,435.01-8,156.64-3,977.91

Finding the Fourth Proportional to 5,435.01, 8,156.64 and 3,977.91

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Solution

The fourth proportional to 5,435.01, 8,156.64 and 3,977.91 is: 5,969.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,435.01 : 8,156.64 = 3,977.91 : x
  2. Step 2: Convert to fraction form
    5,435.01/8,156.64 = 3,977.91/x
  3. Step 3: Cross multiply
    5,435.01x = 8,156.64 × 3,977.91
  4. Step 4: Simplify right side
    5,435.01x = 32,446,379.82
  5. Step 5: Solve for x
    x = 32,446,379.82/5,435.01
  6. Step 6: Final answer
    x = 5,969.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.