Home / 5,200.80-7,178.52-2,963.85

Finding the Fourth Proportional to 5,200.80, 7,178.52 and 2,963.85

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Solution

The fourth proportional to 5,200.80, 7,178.52 and 2,963.85 is: 4,090.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,200.80 : 7,178.52 = 2,963.85 : x
  2. Step 2: Convert to fraction form
    5,200.80/7,178.52 = 2,963.85/x
  3. Step 3: Cross multiply
    5,200.80x = 7,178.52 × 2,963.85
  4. Step 4: Simplify right side
    5,200.80x = 21,276,056.50
  5. Step 5: Solve for x
    x = 21,276,056.50/5,200.80
  6. Step 6: Final answer
    x = 4,090.92

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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.