Home / 7,220.45-9,962.52-4,076.03

Finding the Fourth Proportional to 7,220.45, 9,962.52 and 4,076.03

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Solution

The fourth proportional to 7,220.45, 9,962.52 and 4,076.03 is: 5,623.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,220.45 : 9,962.52 = 4,076.03 : x
  2. Step 2: Convert to fraction form
    7,220.45/9,962.52 = 4,076.03/x
  3. Step 3: Cross multiply
    7,220.45x = 9,962.52 × 4,076.03
  4. Step 4: Simplify right side
    7,220.45x = 40,607,530.40
  5. Step 5: Solve for x
    x = 40,607,530.40/7,220.45
  6. Step 6: Final answer
    x = 5,623.96

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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.