Home / 7,916.49-10,921.69-5,083.11

Finding the Fourth Proportional to 7,916.49, 10,921.69 and 5,083.11

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Solution

The fourth proportional to 7,916.49, 10,921.69 and 5,083.11 is: 7,012.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,916.49 : 10,921.69 = 5,083.11 : x
  2. Step 2: Convert to fraction form
    7,916.49/10,921.69 = 5,083.11/x
  3. Step 3: Cross multiply
    7,916.49x = 10,921.69 × 5,083.11
  4. Step 4: Simplify right side
    7,916.49x = 55,516,151.66
  5. Step 5: Solve for x
    x = 55,516,151.66/7,916.49
  6. Step 6: Final answer
    x = 7,012.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.