Home / 6,213.80-9,316.26-2,925.20

Finding the Fourth Proportional to 6,213.80, 9,316.26 and 2,925.20

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Solution

The fourth proportional to 6,213.80, 9,316.26 and 2,925.20 is: 4,385.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,213.80 : 9,316.26 = 2,925.20 : x
  2. Step 2: Convert to fraction form
    6,213.80/9,316.26 = 2,925.20/x
  3. Step 3: Cross multiply
    6,213.80x = 9,316.26 × 2,925.20
  4. Step 4: Simplify right side
    6,213.80x = 27,251,923.75
  5. Step 5: Solve for x
    x = 27,251,923.75/6,213.80
  6. Step 6: Final answer
    x = 4,385.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.