Home / 6,219.55-9,326.59-2,520.80

Finding the Fourth Proportional to 6,219.55, 9,326.59 and 2,520.80

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Solution

The fourth proportional to 6,219.55, 9,326.59 and 2,520.80 is: 3,780.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,219.55 : 9,326.59 = 2,520.80 : x
  2. Step 2: Convert to fraction form
    6,219.55/9,326.59 = 2,520.80/x
  3. Step 3: Cross multiply
    6,219.55x = 9,326.59 × 2,520.80
  4. Step 4: Simplify right side
    6,219.55x = 23,510,415.14
  5. Step 5: Solve for x
    x = 23,510,415.14/6,219.55
  6. Step 6: Final answer
    x = 3,780.08

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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.