Home / 4,220.90-6,332.26-2,272.65

Finding the Fourth Proportional to 4,220.90, 6,332.26 and 2,272.65

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Solution

The fourth proportional to 4,220.90, 6,332.26 and 2,272.65 is: 3,409.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,220.90 : 6,332.26 = 2,272.65 : x
  2. Step 2: Convert to fraction form
    4,220.90/6,332.26 = 2,272.65/x
  3. Step 3: Cross multiply
    4,220.90x = 6,332.26 × 2,272.65
  4. Step 4: Simplify right side
    4,220.90x = 14,391,010.69
  5. Step 5: Solve for x
    x = 14,391,010.69/4,220.90
  6. Step 6: Final answer
    x = 3,409.46

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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.