Home / 5,354.63-7,389.38-2,996.78

Finding the Fourth Proportional to 5,354.63, 7,389.38 and 2,996.78

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Solution

The fourth proportional to 5,354.63, 7,389.38 and 2,996.78 is: 4,135.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,354.63 : 7,389.38 = 2,996.78 : x
  2. Step 2: Convert to fraction form
    5,354.63/7,389.38 = 2,996.78/x
  3. Step 3: Cross multiply
    5,354.63x = 7,389.38 × 2,996.78
  4. Step 4: Simplify right side
    5,354.63x = 22,144,372.16
  5. Step 5: Solve for x
    x = 22,144,372.16/5,354.63
  6. Step 6: Final answer
    x = 4,135.56

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1.5x scale

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.