Home / 6,421.93-8,861.84-3,627.25

Finding the Fourth Proportional to 6,421.93, 8,861.84 and 3,627.25

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Solution

The fourth proportional to 6,421.93, 8,861.84 and 3,627.25 is: 5,005.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,421.93 : 8,861.84 = 3,627.25 : x
  2. Step 2: Convert to fraction form
    6,421.93/8,861.84 = 3,627.25/x
  3. Step 3: Cross multiply
    6,421.93x = 8,861.84 × 3,627.25
  4. Step 4: Simplify right side
    6,421.93x = 32,144,091.00
  5. Step 5: Solve for x
    x = 32,144,091.00/6,421.93
  6. Step 6: Final answer
    x = 5,005.36

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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.