Home / 6,174.64-8,520.78-3,521.53

Finding the Fourth Proportional to 6,174.64, 8,520.78 and 3,521.53

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Solution

The fourth proportional to 6,174.64, 8,520.78 and 3,521.53 is: 4,859.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,174.64 : 8,520.78 = 3,521.53 : x
  2. Step 2: Convert to fraction form
    6,174.64/8,520.78 = 3,521.53/x
  3. Step 3: Cross multiply
    6,174.64x = 8,520.78 × 3,521.53
  4. Step 4: Simplify right side
    6,174.64x = 30,006,182.39
  5. Step 5: Solve for x
    x = 30,006,182.39/6,174.64
  6. Step 6: Final answer
    x = 4,859.58

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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.