Home / 5,287.99-7,297.46-2,930.17

Finding the Fourth Proportional to 5,287.99, 7,297.46 and 2,930.17

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Solution

The fourth proportional to 5,287.99, 7,297.46 and 2,930.17 is: 4,043.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,287.99 : 7,297.46 = 2,930.17 : x
  2. Step 2: Convert to fraction form
    5,287.99/7,297.46 = 2,930.17/x
  3. Step 3: Cross multiply
    5,287.99x = 7,297.46 × 2,930.17
  4. Step 4: Simplify right side
    5,287.99x = 21,382,769.21
  5. Step 5: Solve for x
    x = 21,382,769.21/5,287.99
  6. Step 6: Final answer
    x = 4,043.65

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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.