Home / 6,376.23-9,561.98-2,215.13

Finding the Fourth Proportional to 6,376.23, 9,561.98 and 2,215.13

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Solution

The fourth proportional to 6,376.23, 9,561.98 and 2,215.13 is: 3,321.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,376.23 : 9,561.98 = 2,215.13 : x
  2. Step 2: Convert to fraction form
    6,376.23/9,561.98 = 2,215.13/x
  3. Step 3: Cross multiply
    6,376.23x = 9,561.98 × 2,215.13
  4. Step 4: Simplify right side
    6,376.23x = 21,180,969.87
  5. Step 5: Solve for x
    x = 21,180,969.87/6,376.23
  6. Step 6: Final answer
    x = 3,321.86

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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.