Home / 8,112.50-11,196.87-4,575.77

Finding the Fourth Proportional to 8,112.50, 11,196.87 and 4,575.77

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Solution

The fourth proportional to 8,112.50, 11,196.87 and 4,575.77 is: 6,315.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,112.50 : 11,196.87 = 4,575.77 : x
  2. Step 2: Convert to fraction form
    8,112.50/11,196.87 = 4,575.77/x
  3. Step 3: Cross multiply
    8,112.50x = 11,196.87 × 4,575.77
  4. Step 4: Simplify right side
    8,112.50x = 51,234,301.84
  5. Step 5: Solve for x
    x = 51,234,301.84/8,112.50
  6. Step 6: Final answer
    x = 6,315.48

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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.