Home / 7,938.26-10,954.78-4,402

Finding the Fourth Proportional to 7,938.26, 10,954.78 and 4,402

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Solution

The fourth proportional to 7,938.26, 10,954.78 and 4,402 is: 6,074.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,938.26 : 10,954.78 = 4,402 : x
  2. Step 2: Convert to fraction form
    7,938.26/10,954.78 = 4,402/x
  3. Step 3: Cross multiply
    7,938.26x = 10,954.78 × 4,402
  4. Step 4: Simplify right side
    7,938.26x = 48,222,941.56
  5. Step 5: Solve for x
    x = 48,222,941.56/7,938.26
  6. Step 6: Final answer
    x = 6,074.75

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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.