Home / 5,311.56-7,329.72-2,953.92

Finding the Fourth Proportional to 5,311.56, 7,329.72 and 2,953.92

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Solution

The fourth proportional to 5,311.56, 7,329.72 and 2,953.92 is: 4,076.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,311.56 : 7,329.72 = 2,953.92 : x
  2. Step 2: Convert to fraction form
    5,311.56/7,329.72 = 2,953.92/x
  3. Step 3: Cross multiply
    5,311.56x = 7,329.72 × 2,953.92
  4. Step 4: Simplify right side
    5,311.56x = 21,651,406.50
  5. Step 5: Solve for x
    x = 21,651,406.50/5,311.56
  6. Step 6: Final answer
    x = 4,076.28

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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.