Home / 5,267.13-7,900.46-1,979.97

Finding the Fourth Proportional to 5,267.13, 7,900.46 and 1,979.97

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Solution

The fourth proportional to 5,267.13, 7,900.46 and 1,979.97 is: 2,969.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,267.13 : 7,900.46 = 1,979.97 : x
  2. Step 2: Convert to fraction form
    5,267.13/7,900.46 = 1,979.97/x
  3. Step 3: Cross multiply
    5,267.13x = 7,900.46 × 1,979.97
  4. Step 4: Simplify right side
    5,267.13x = 15,642,663.89
  5. Step 5: Solve for x
    x = 15,642,663.89/5,267.13
  6. Step 6: Final answer
    x = 2,969.86

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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.