Home / 5,287.94-7,297.80-2,930.30

Finding the Fourth Proportional to 5,287.94, 7,297.80 and 2,930.30

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Solution

The fourth proportional to 5,287.94, 7,297.80 and 2,930.30 is: 4,044.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,287.94 : 7,297.80 = 2,930.30 : x
  2. Step 2: Convert to fraction form
    5,287.94/7,297.80 = 2,930.30/x
  3. Step 3: Cross multiply
    5,287.94x = 7,297.80 × 2,930.30
  4. Step 4: Simplify right side
    5,287.94x = 21,384,743.34
  5. Step 5: Solve for x
    x = 21,384,743.34/5,287.94
  6. Step 6: Final answer
    x = 4,044.06

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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.