Home / 5,204.64-7,806.18-1,916.97

Finding the Fourth Proportional to 5,204.64, 7,806.18 and 1,916.97

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Solution

The fourth proportional to 5,204.64, 7,806.18 and 1,916.97 is: 2,875.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,204.64 : 7,806.18 = 1,916.97 : x
  2. Step 2: Convert to fraction form
    5,204.64/7,806.18 = 1,916.97/x
  3. Step 3: Cross multiply
    5,204.64x = 7,806.18 × 1,916.97
  4. Step 4: Simplify right side
    5,204.64x = 14,964,212.87
  5. Step 5: Solve for x
    x = 14,964,212.87/5,204.64
  6. Step 6: Final answer
    x = 2,875.17

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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.