Home / 6,177.12-8,528.40-5,512.84

Finding the Fourth Proportional to 6,177.12, 8,528.40 and 5,512.84

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Solution

The fourth proportional to 6,177.12, 8,528.40 and 5,512.84 is: 7,611.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,177.12 : 8,528.40 = 5,512.84 : x
  2. Step 2: Convert to fraction form
    6,177.12/8,528.40 = 5,512.84/x
  3. Step 3: Cross multiply
    6,177.12x = 8,528.40 × 5,512.84
  4. Step 4: Simplify right side
    6,177.12x = 47,015,704.66
  5. Step 5: Solve for x
    x = 47,015,704.66/6,177.12
  6. Step 6: Final answer
    x = 7,611.27

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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.