Home / 6,171.24-8,516.40-3,518.91

Finding the Fourth Proportional to 6,171.24, 8,516.40 and 3,518.91

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Solution

The fourth proportional to 6,171.24, 8,516.40 and 3,518.91 is: 4,856.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,171.24 : 8,516.40 = 3,518.91 : x
  2. Step 2: Convert to fraction form
    6,171.24/8,516.40 = 3,518.91/x
  3. Step 3: Cross multiply
    6,171.24x = 8,516.40 × 3,518.91
  4. Step 4: Simplify right side
    6,171.24x = 29,968,445.12
  5. Step 5: Solve for x
    x = 29,968,445.12/6,171.24
  6. Step 6: Final answer
    x = 4,856.15

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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.