Home / 7,943.49-11,916.96-3,013.18

Finding the Fourth Proportional to 7,943.49, 11,916.96 and 3,013.18

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Solution

The fourth proportional to 7,943.49, 11,916.96 and 3,013.18 is: 4,520.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,943.49 : 11,916.96 = 3,013.18 : x
  2. Step 2: Convert to fraction form
    7,943.49/11,916.96 = 3,013.18/x
  3. Step 3: Cross multiply
    7,943.49x = 11,916.96 × 3,013.18
  4. Step 4: Simplify right side
    7,943.49x = 35,907,885.95
  5. Step 5: Solve for x
    x = 35,907,885.95/7,943.49
  6. Step 6: Final answer
    x = 4,520.42

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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.