Home / 6,371.89-9,553.95-2,861.21

Finding the Fourth Proportional to 6,371.89, 9,553.95 and 2,861.21

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Solution

The fourth proportional to 6,371.89, 9,553.95 and 2,861.21 is: 4,290.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,371.89 : 9,553.95 = 2,861.21 : x
  2. Step 2: Convert to fraction form
    6,371.89/9,553.95 = 2,861.21/x
  3. Step 3: Cross multiply
    6,371.89x = 9,553.95 × 2,861.21
  4. Step 4: Simplify right side
    6,371.89x = 27,335,881.16
  5. Step 5: Solve for x
    x = 27,335,881.16/6,371.89
  6. Step 6: Final answer
    x = 4,290.08

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1.5x scale

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.