Home / 8,557.64-12,832.86-3,627.08

Finding the Fourth Proportional to 8,557.64, 12,832.86 and 3,627.08

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Solution

The fourth proportional to 8,557.64, 12,832.86 and 3,627.08 is: 5,439.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,557.64 : 12,832.86 = 3,627.08 : x
  2. Step 2: Convert to fraction form
    8,557.64/12,832.86 = 3,627.08/x
  3. Step 3: Cross multiply
    8,557.64x = 12,832.86 × 3,627.08
  4. Step 4: Simplify right side
    8,557.64x = 46,545,809.85
  5. Step 5: Solve for x
    x = 46,545,809.85/8,557.64
  6. Step 6: Final answer
    x = 5,439.09

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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.