Home / 6,380.78-9,575.53-2,220.75

Finding the Fourth Proportional to 6,380.78, 9,575.53 and 2,220.75

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Solution

The fourth proportional to 6,380.78, 9,575.53 and 2,220.75 is: 3,332.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,380.78 : 9,575.53 = 2,220.75 : x
  2. Step 2: Convert to fraction form
    6,380.78/9,575.53 = 2,220.75/x
  3. Step 3: Cross multiply
    6,380.78x = 9,575.53 × 2,220.75
  4. Step 4: Simplify right side
    6,380.78x = 21,264,828.76
  5. Step 5: Solve for x
    x = 21,264,828.76/6,380.78
  6. Step 6: Final answer
    x = 3,332.64

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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.