Home / 8,917.68-12,305.82-4,938.52

Finding the Fourth Proportional to 8,917.68, 12,305.82 and 4,938.52

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Solution

The fourth proportional to 8,917.68, 12,305.82 and 4,938.52 is: 6,814.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,917.68 : 12,305.82 = 4,938.52 : x
  2. Step 2: Convert to fraction form
    8,917.68/12,305.82 = 4,938.52/x
  3. Step 3: Cross multiply
    8,917.68x = 12,305.82 × 4,938.52
  4. Step 4: Simplify right side
    8,917.68x = 60,772,538.19
  5. Step 5: Solve for x
    x = 60,772,538.19/8,917.68
  6. Step 6: Final answer
    x = 6,814.84

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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.