Home / 5,301.15-7,315.54-2,943.30

Finding the Fourth Proportional to 5,301.15, 7,315.54 and 2,943.30

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Solution

The fourth proportional to 5,301.15, 7,315.54 and 2,943.30 is: 4,061.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,301.15 : 7,315.54 = 2,943.30 : x
  2. Step 2: Convert to fraction form
    5,301.15/7,315.54 = 2,943.30/x
  3. Step 3: Cross multiply
    5,301.15x = 7,315.54 × 2,943.30
  4. Step 4: Simplify right side
    5,301.15x = 21,531,828.88
  5. Step 5: Solve for x
    x = 21,531,828.88/5,301.15
  6. Step 6: Final answer
    x = 4,061.73

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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.