Home / 7,943.34-11,916.36-2,748

Finding the Fourth Proportional to 7,943.34, 11,916.36 and 2,748

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Solution

The fourth proportional to 7,943.34, 11,916.36 and 2,748 is: 4,122.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,943.34 : 11,916.36 = 2,748 : x
  2. Step 2: Convert to fraction form
    7,943.34/11,916.36 = 2,748/x
  3. Step 3: Cross multiply
    7,943.34x = 11,916.36 × 2,748
  4. Step 4: Simplify right side
    7,943.34x = 32,746,157.28
  5. Step 5: Solve for x
    x = 32,746,157.28/7,943.34
  6. Step 6: Final answer
    x = 4,122.47

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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.