Home / 5,200.80-7,177.76-2,962.56

Finding the Fourth Proportional to 5,200.80, 7,177.76 and 2,962.56

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Solution

The fourth proportional to 5,200.80, 7,177.76 and 2,962.56 is: 4,088.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,200.80 : 7,177.76 = 2,962.56 : x
  2. Step 2: Convert to fraction form
    5,200.80/7,177.76 = 2,962.56/x
  3. Step 3: Cross multiply
    5,200.80x = 7,177.76 × 2,962.56
  4. Step 4: Simplify right side
    5,200.80x = 21,264,544.67
  5. Step 5: Solve for x
    x = 21,264,544.67/5,200.80
  6. Step 6: Final answer
    x = 4,088.71

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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.