Home / 5,329.29-7,354.32-2,939.48

Finding the Fourth Proportional to 5,329.29, 7,354.32 and 2,939.48

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Solution

The fourth proportional to 5,329.29, 7,354.32 and 2,939.48 is: 4,056.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,329.29 : 7,354.32 = 2,939.48 : x
  2. Step 2: Convert to fraction form
    5,329.29/7,354.32 = 2,939.48/x
  3. Step 3: Cross multiply
    5,329.29x = 7,354.32 × 2,939.48
  4. Step 4: Simplify right side
    5,329.29x = 21,617,894.94
  5. Step 5: Solve for x
    x = 21,617,894.94/5,329.29
  6. Step 6: Final answer
    x = 4,056.43

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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.