Home / 7,985.34-11,972.84-3,304.08

Finding the Fourth Proportional to 7,985.34, 11,972.84 and 3,304.08

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Solution

The fourth proportional to 7,985.34, 11,972.84 and 3,304.08 is: 4,953.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,985.34 : 11,972.84 = 3,304.08 : x
  2. Step 2: Convert to fraction form
    7,985.34/11,972.84 = 3,304.08/x
  3. Step 3: Cross multiply
    7,985.34x = 11,972.84 × 3,304.08
  4. Step 4: Simplify right side
    7,985.34x = 39,559,204.67
  5. Step 5: Solve for x
    x = 39,559,204.67/7,985.34
  6. Step 6: Final answer
    x = 4,953.98

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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.