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Finding the Fourth Proportional to 5,304.78, 7,935.06 and 4,911.12

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Solution

The fourth proportional to 5,304.78, 7,935.06 and 4,911.12 is: 7,346.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,304.78 : 7,935.06 = 4,911.12 : x
  2. Step 2: Convert to fraction form
    5,304.78/7,935.06 = 4,911.12/x
  3. Step 3: Cross multiply
    5,304.78x = 7,935.06 × 4,911.12
  4. Step 4: Simplify right side
    5,304.78x = 38,970,031.87
  5. Step 5: Solve for x
    x = 38,970,031.87/5,304.78
  6. Step 6: Final answer
    x = 7,346.21

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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.