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Finding the Fourth Proportional to 5,770.81, 8,653.14 and 2,994.69

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Solution

The fourth proportional to 5,770.81, 8,653.14 and 2,994.69 is: 4,490.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,770.81 : 8,653.14 = 2,994.69 : x
  2. Step 2: Convert to fraction form
    5,770.81/8,653.14 = 2,994.69/x
  3. Step 3: Cross multiply
    5,770.81x = 8,653.14 × 2,994.69
  4. Step 4: Simplify right side
    5,770.81x = 25,913,471.83
  5. Step 5: Solve for x
    x = 25,913,471.83/5,770.81
  6. Step 6: Final answer
    x = 4,490.44

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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.