Home / 8,704.64-12,012.41-4,725.75

Finding the Fourth Proportional to 8,704.64, 12,012.41 and 4,725.75

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Solution

The fourth proportional to 8,704.64, 12,012.41 and 4,725.75 is: 6,521.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,704.64 : 12,012.41 = 4,725.75 : x
  2. Step 2: Convert to fraction form
    8,704.64/12,012.41 = 4,725.75/x
  3. Step 3: Cross multiply
    8,704.64x = 12,012.41 × 4,725.75
  4. Step 4: Simplify right side
    8,704.64x = 56,767,646.56
  5. Step 5: Solve for x
    x = 56,767,646.56/8,704.64
  6. Step 6: Final answer
    x = 6,521.54

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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.