Home / 7,617.09-10,516.12-4,786.86

Finding the Fourth Proportional to 7,617.09, 10,516.12 and 4,786.86

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Solution

The fourth proportional to 7,617.09, 10,516.12 and 4,786.86 is: 6,608.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,617.09 : 10,516.12 = 4,786.86 : x
  2. Step 2: Convert to fraction form
    7,617.09/10,516.12 = 4,786.86/x
  3. Step 3: Cross multiply
    7,617.09x = 10,516.12 × 4,786.86
  4. Step 4: Simplify right side
    7,617.09x = 50,339,194.18
  5. Step 5: Solve for x
    x = 50,339,194.18/7,617.09
  6. Step 6: Final answer
    x = 6,608.72

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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.