Home / 6,431.48-8,876.94-3,637.88

Finding the Fourth Proportional to 6,431.48, 8,876.94 and 3,637.88

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Solution

The fourth proportional to 6,431.48, 8,876.94 and 3,637.88 is: 5,021.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,431.48 : 8,876.94 = 3,637.88 : x
  2. Step 2: Convert to fraction form
    6,431.48/8,876.94 = 3,637.88/x
  3. Step 3: Cross multiply
    6,431.48x = 8,876.94 × 3,637.88
  4. Step 4: Simplify right side
    6,431.48x = 32,293,242.49
  5. Step 5: Solve for x
    x = 32,293,242.49/6,431.48
  6. Step 6: Final answer
    x = 5,021.12

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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.