Home / 8,415.08-12,622.59-2,174.57

Finding the Fourth Proportional to 8,415.08, 12,622.59 and 2,174.57

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Solution

The fourth proportional to 8,415.08, 12,622.59 and 2,174.57 is: 3,261.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,415.08 : 12,622.59 = 2,174.57 : x
  2. Step 2: Convert to fraction form
    8,415.08/12,622.59 = 2,174.57/x
  3. Step 3: Cross multiply
    8,415.08x = 12,622.59 × 2,174.57
  4. Step 4: Simplify right side
    8,415.08x = 27,448,650.18
  5. Step 5: Solve for x
    x = 27,448,650.18/8,415.08
  6. Step 6: Final answer
    x = 3,261.84

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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.