Home / 6,173.72-8,518.86-3,521.24

Finding the Fourth Proportional to 6,173.72, 8,518.86 and 3,521.24

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Solution

The fourth proportional to 6,173.72, 8,518.86 and 3,521.24 is: 4,858.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,173.72 : 8,518.86 = 3,521.24 : x
  2. Step 2: Convert to fraction form
    6,173.72/8,518.86 = 3,521.24/x
  3. Step 3: Cross multiply
    6,173.72x = 8,518.86 × 3,521.24
  4. Step 4: Simplify right side
    6,173.72x = 29,996,950.59
  5. Step 5: Solve for x
    x = 29,996,950.59/6,173.72
  6. Step 6: Final answer
    x = 4,858.81

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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.