Home / 5,310.80-7,329.58-2,953.70

Finding the Fourth Proportional to 5,310.80, 7,329.58 and 2,953.70

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Solution

The fourth proportional to 5,310.80, 7,329.58 and 2,953.70 is: 4,076.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,310.80 : 7,329.58 = 2,953.70 : x
  2. Step 2: Convert to fraction form
    5,310.80/7,329.58 = 2,953.70/x
  3. Step 3: Cross multiply
    5,310.80x = 7,329.58 × 2,953.70
  4. Step 4: Simplify right side
    5,310.80x = 21,649,380.45
  5. Step 5: Solve for x
    x = 21,649,380.45/5,310.80
  6. Step 6: Final answer
    x = 4,076.48

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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.