Home / 8,177.64-12,255.58-4,474.28

Finding the Fourth Proportional to 8,177.64, 12,255.58 and 4,474.28

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Solution

The fourth proportional to 8,177.64, 12,255.58 and 4,474.28 is: 6,705.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,177.64 : 12,255.58 = 4,474.28 : x
  2. Step 2: Convert to fraction form
    8,177.64/12,255.58 = 4,474.28/x
  3. Step 3: Cross multiply
    8,177.64x = 12,255.58 × 4,474.28
  4. Step 4: Simplify right side
    8,177.64x = 54,834,896.48
  5. Step 5: Solve for x
    x = 54,834,896.48/8,177.64
  6. Step 6: Final answer
    x = 6,705.47

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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.