Home / 5,329.62-7,354.80-2,939.58

Finding the Fourth Proportional to 5,329.62, 7,354.80 and 2,939.58

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Solution

The fourth proportional to 5,329.62, 7,354.80 and 2,939.58 is: 4,056.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,329.62 : 7,354.80 = 2,939.58 : x
  2. Step 2: Convert to fraction form
    5,329.62/7,354.80 = 2,939.58/x
  3. Step 3: Cross multiply
    5,329.62x = 7,354.80 × 2,939.58
  4. Step 4: Simplify right side
    5,329.62x = 21,620,022.98
  5. Step 5: Solve for x
    x = 21,620,022.98/5,329.62
  6. Step 6: Final answer
    x = 4,056.58

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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.