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Finding the Fourth Proportional to 7,554.97, 11,339.66 and 4,638.97

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Solution

The fourth proportional to 7,554.97, 11,339.66 and 4,638.97 is: 6,962.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,554.97 : 11,339.66 = 4,638.97 : x
  2. Step 2: Convert to fraction form
    7,554.97/11,339.66 = 4,638.97/x
  3. Step 3: Cross multiply
    7,554.97x = 11,339.66 × 4,638.97
  4. Step 4: Simplify right side
    7,554.97x = 52,604,342.55
  5. Step 5: Solve for x
    x = 52,604,342.55/7,554.97
  6. Step 6: Final answer
    x = 6,962.88

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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.