Home / 6,360.96-8,771.52-4,120.32

Finding the Fourth Proportional to 6,360.96, 8,771.52 and 4,120.32

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Solution

The fourth proportional to 6,360.96, 8,771.52 and 4,120.32 is: 5,681.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,360.96 : 8,771.52 = 4,120.32 : x
  2. Step 2: Convert to fraction form
    6,360.96/8,771.52 = 4,120.32/x
  3. Step 3: Cross multiply
    6,360.96x = 8,771.52 × 4,120.32
  4. Step 4: Simplify right side
    6,360.96x = 36,141,469.29
  5. Step 5: Solve for x
    x = 36,141,469.29/6,360.96
  6. Step 6: Final answer
    x = 5,681.76

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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.