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Finding the Fourth Proportional to 5,329.42, 7,994.08 and 2,989.42

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Solution

The fourth proportional to 5,329.42, 7,994.08 and 2,989.42 is: 4,484.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,329.42 : 7,994.08 = 2,989.42 : x
  2. Step 2: Convert to fraction form
    5,329.42/7,994.08 = 2,989.42/x
  3. Step 3: Cross multiply
    5,329.42x = 7,994.08 × 2,989.42
  4. Step 4: Simplify right side
    5,329.42x = 23,897,662.63
  5. Step 5: Solve for x
    x = 23,897,662.63/5,329.42
  6. Step 6: Final answer
    x = 4,484.10

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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.