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Finding the Fourth Proportional to 5,526.88, 7,627.09 and 3,042.88

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Solution

The fourth proportional to 5,526.88, 7,627.09 and 3,042.88 is: 4,199.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,526.88 : 7,627.09 = 3,042.88 : x
  2. Step 2: Convert to fraction form
    5,526.88/7,627.09 = 3,042.88/x
  3. Step 3: Cross multiply
    5,526.88x = 7,627.09 × 3,042.88
  4. Step 4: Simplify right side
    5,526.88x = 23,208,319.62
  5. Step 5: Solve for x
    x = 23,208,319.62/5,526.88
  6. Step 6: Final answer
    x = 4,199.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.