Home / 7,541.88-11,309.16-2,611.80

Finding the Fourth Proportional to 7,541.88, 11,309.16 and 2,611.80

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Solution

The fourth proportional to 7,541.88, 11,309.16 and 2,611.80 is: 3,916.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,541.88 : 11,309.16 = 2,611.80 : x
  2. Step 2: Convert to fraction form
    7,541.88/11,309.16 = 2,611.80/x
  3. Step 3: Cross multiply
    7,541.88x = 11,309.16 × 2,611.80
  4. Step 4: Simplify right side
    7,541.88x = 29,537,264.09
  5. Step 5: Solve for x
    x = 29,537,264.09/7,541.88
  6. Step 6: Final answer
    x = 3,916.43

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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.