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Finding the Fourth Proportional to 9,299.64, 12,835.32 and 5,764.44

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Solution

The fourth proportional to 9,299.64, 12,835.32 and 5,764.44 is: 7,956.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,299.64 : 12,835.32 = 5,764.44 : x
  2. Step 2: Convert to fraction form
    9,299.64/12,835.32 = 5,764.44/x
  3. Step 3: Cross multiply
    9,299.64x = 12,835.32 × 5,764.44
  4. Step 4: Simplify right side
    9,299.64x = 73,988,432.02
  5. Step 5: Solve for x
    x = 73,988,432.02/9,299.64
  6. Step 6: Final answer
    x = 7,956.05

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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.