Home / 8,738.10-12,057.66-5,200.86

Finding the Fourth Proportional to 8,738.10, 12,057.66 and 5,200.86

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Solution

The fourth proportional to 8,738.10, 12,057.66 and 5,200.86 is: 7,176.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,738.10 : 12,057.66 = 5,200.86 : x
  2. Step 2: Convert to fraction form
    8,738.10/12,057.66 = 5,200.86/x
  3. Step 3: Cross multiply
    8,738.10x = 12,057.66 × 5,200.86
  4. Step 4: Simplify right side
    8,738.10x = 62,710,201.59
  5. Step 5: Solve for x
    x = 62,710,201.59/8,738.10
  6. Step 6: Final answer
    x = 7,176.64

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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.