Home / 9,279.84-13,915.92-3,433.04

Finding the Fourth Proportional to 9,279.84, 13,915.92 and 3,433.04

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Solution

The fourth proportional to 9,279.84, 13,915.92 and 3,433.04 is: 5,148.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,279.84 : 13,915.92 = 3,433.04 : x
  2. Step 2: Convert to fraction form
    9,279.84/13,915.92 = 3,433.04/x
  3. Step 3: Cross multiply
    9,279.84x = 13,915.92 × 3,433.04
  4. Step 4: Simplify right side
    9,279.84x = 47,773,910.00
  5. Step 5: Solve for x
    x = 47,773,910.00/9,279.84
  6. Step 6: Final answer
    x = 5,148.14

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1.5x scale

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.