Home / 5,330.61-7,996.59-1,821.29

Finding the Fourth Proportional to 5,330.61, 7,996.59 and 1,821.29

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Solution

The fourth proportional to 5,330.61, 7,996.59 and 1,821.29 is: 2,732.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,330.61 : 7,996.59 = 1,821.29 : x
  2. Step 2: Convert to fraction form
    5,330.61/7,996.59 = 1,821.29/x
  3. Step 3: Cross multiply
    5,330.61x = 7,996.59 × 1,821.29
  4. Step 4: Simplify right side
    5,330.61x = 14,564,069.42
  5. Step 5: Solve for x
    x = 14,564,069.42/5,330.61
  6. Step 6: Final answer
    x = 2,732.16

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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.