Home / 6,135.10-8,468.07-3,779.21

Finding the Fourth Proportional to 6,135.10, 8,468.07 and 3,779.21

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Solution

The fourth proportional to 6,135.10, 8,468.07 and 3,779.21 is: 5,216.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,135.10 : 8,468.07 = 3,779.21 : x
  2. Step 2: Convert to fraction form
    6,135.10/8,468.07 = 3,779.21/x
  3. Step 3: Cross multiply
    6,135.10x = 8,468.07 × 3,779.21
  4. Step 4: Simplify right side
    6,135.10x = 32,002,614.82
  5. Step 5: Solve for x
    x = 32,002,614.82/6,135.10
  6. Step 6: Final answer
    x = 5,216.32

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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.