Home / 4,842.12-7,250.22-3,980.28

Finding the Fourth Proportional to 4,842.12, 7,250.22 and 3,980.28

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Solution

The fourth proportional to 4,842.12, 7,250.22 and 3,980.28 is: 5,959.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,842.12 : 7,250.22 = 3,980.28 : x
  2. Step 2: Convert to fraction form
    4,842.12/7,250.22 = 3,980.28/x
  3. Step 3: Cross multiply
    4,842.12x = 7,250.22 × 3,980.28
  4. Step 4: Simplify right side
    4,842.12x = 28,857,905.66
  5. Step 5: Solve for x
    x = 28,857,905.66/4,842.12
  6. Step 6: Final answer
    x = 5,959.77

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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.