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Finding the Fourth Proportional to 4,799.96, 7,157.06 and 4,793.48

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Solution

The fourth proportional to 4,799.96, 7,157.06 and 4,793.48 is: 7,147.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,799.96 : 7,157.06 = 4,793.48 : x
  2. Step 2: Convert to fraction form
    4,799.96/7,157.06 = 4,793.48/x
  3. Step 3: Cross multiply
    4,799.96x = 7,157.06 × 4,793.48
  4. Step 4: Simplify right side
    4,799.96x = 34,307,223.97
  5. Step 5: Solve for x
    x = 34,307,223.97/4,799.96
  6. Step 6: Final answer
    x = 7,147.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.