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Finding the Fourth Proportional to 8,994.59, 13,488.65 and 3,800.87

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Solution

The fourth proportional to 8,994.59, 13,488.65 and 3,800.87 is: 5,699.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,994.59 : 13,488.65 = 3,800.87 : x
  2. Step 2: Convert to fraction form
    8,994.59/13,488.65 = 3,800.87/x
  3. Step 3: Cross multiply
    8,994.59x = 13,488.65 × 3,800.87
  4. Step 4: Simplify right side
    8,994.59x = 51,268,586.12
  5. Step 5: Solve for x
    x = 51,268,586.12/8,994.59
  6. Step 6: Final answer
    x = 5,699.94

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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.