Home / 8,125.65-12,183.57-3,746.79

Finding the Fourth Proportional to 8,125.65, 12,183.57 and 3,746.79

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Solution

The fourth proportional to 8,125.65, 12,183.57 and 3,746.79 is: 5,617.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,125.65 : 12,183.57 = 3,746.79 : x
  2. Step 2: Convert to fraction form
    8,125.65/12,183.57 = 3,746.79/x
  3. Step 3: Cross multiply
    8,125.65x = 12,183.57 × 3,746.79
  4. Step 4: Simplify right side
    8,125.65x = 45,649,278.24
  5. Step 5: Solve for x
    x = 45,649,278.24/8,125.65
  6. Step 6: Final answer
    x = 5,617.92

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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.