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Finding the Fourth Proportional to 6,627.62, 9,154.25 and 4,956.47

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Solution

The fourth proportional to 6,627.62, 9,154.25 and 4,956.47 is: 6,846.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,627.62 : 9,154.25 = 4,956.47 : x
  2. Step 2: Convert to fraction form
    6,627.62/9,154.25 = 4,956.47/x
  3. Step 3: Cross multiply
    6,627.62x = 9,154.25 × 4,956.47
  4. Step 4: Simplify right side
    6,627.62x = 45,372,799.35
  5. Step 5: Solve for x
    x = 45,372,799.35/6,627.62
  6. Step 6: Final answer
    x = 6,846.01

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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.