Home / 7,885.47-11,821.79-2,952.35

Finding the Fourth Proportional to 7,885.47, 11,821.79 and 2,952.35

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Solution

The fourth proportional to 7,885.47, 11,821.79 and 2,952.35 is: 4,426.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,885.47 : 11,821.79 = 2,952.35 : x
  2. Step 2: Convert to fraction form
    7,885.47/11,821.79 = 2,952.35/x
  3. Step 3: Cross multiply
    7,885.47x = 11,821.79 × 2,952.35
  4. Step 4: Simplify right side
    7,885.47x = 34,902,002.60
  5. Step 5: Solve for x
    x = 34,902,002.60/7,885.47
  6. Step 6: Final answer
    x = 4,426.12

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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.