Home / 7,218.98-9,962.89-4,385.73

Finding the Fourth Proportional to 7,218.98, 9,962.89 and 4,385.73

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Solution

The fourth proportional to 7,218.98, 9,962.89 and 4,385.73 is: 6,052.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,218.98 : 9,962.89 = 4,385.73 : x
  2. Step 2: Convert to fraction form
    7,218.98/9,962.89 = 4,385.73/x
  3. Step 3: Cross multiply
    7,218.98x = 9,962.89 × 4,385.73
  4. Step 4: Simplify right side
    7,218.98x = 43,694,534.60
  5. Step 5: Solve for x
    x = 43,694,534.60/7,218.98
  6. Step 6: Final answer
    x = 6,052.73

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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.