Home / 8,438.33-11,646.32-4,903.59

Finding the Fourth Proportional to 8,438.33, 11,646.32 and 4,903.59

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Solution

The fourth proportional to 8,438.33, 11,646.32 and 4,903.59 is: 6,767.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,438.33 : 11,646.32 = 4,903.59 : x
  2. Step 2: Convert to fraction form
    8,438.33/11,646.32 = 4,903.59/x
  3. Step 3: Cross multiply
    8,438.33x = 11,646.32 × 4,903.59
  4. Step 4: Simplify right side
    8,438.33x = 57,108,790.55
  5. Step 5: Solve for x
    x = 57,108,790.55/8,438.33
  6. Step 6: Final answer
    x = 6,767.78

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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.