Home / 8,169.08-12,246.16-2,973.72

Finding the Fourth Proportional to 8,169.08, 12,246.16 and 2,973.72

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Solution

The fourth proportional to 8,169.08, 12,246.16 and 2,973.72 is: 4,457.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,169.08 : 12,246.16 = 2,973.72 : x
  2. Step 2: Convert to fraction form
    8,169.08/12,246.16 = 2,973.72/x
  3. Step 3: Cross multiply
    8,169.08x = 12,246.16 × 2,973.72
  4. Step 4: Simplify right side
    8,169.08x = 36,416,650.92
  5. Step 5: Solve for x
    x = 36,416,650.92/8,169.08
  6. Step 6: Final answer
    x = 4,457.86

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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.