Home / 7,916.88-11,871.98-2,371.02

Finding the Fourth Proportional to 7,916.88, 11,871.98 and 2,371.02

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Solution

The fourth proportional to 7,916.88, 11,871.98 and 2,371.02 is: 3,555.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,916.88 : 11,871.98 = 2,371.02 : x
  2. Step 2: Convert to fraction form
    7,916.88/11,871.98 = 2,371.02/x
  3. Step 3: Cross multiply
    7,916.88x = 11,871.98 × 2,371.02
  4. Step 4: Simplify right side
    7,916.88x = 28,148,702.02
  5. Step 5: Solve for x
    x = 28,148,702.02/7,916.88
  6. Step 6: Final answer
    x = 3,555.53

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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.