Home / 5,321.33-7,343.15-2,930.84

Finding the Fourth Proportional to 5,321.33, 7,343.15 and 2,930.84

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Solution

The fourth proportional to 5,321.33, 7,343.15 and 2,930.84 is: 4,044.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,321.33 : 7,343.15 = 2,930.84 : x
  2. Step 2: Convert to fraction form
    5,321.33/7,343.15 = 2,930.84/x
  3. Step 3: Cross multiply
    5,321.33x = 7,343.15 × 2,930.84
  4. Step 4: Simplify right side
    5,321.33x = 21,521,561.03
  5. Step 5: Solve for x
    x = 21,521,561.03/5,321.33
  6. Step 6: Final answer
    x = 4,044.40

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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.