Home / 8,124.40-11,207.55-4,936.85

Finding the Fourth Proportional to 8,124.40, 11,207.55 and 4,936.85

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Solution

The fourth proportional to 8,124.40, 11,207.55 and 4,936.85 is: 6,810.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,124.40 : 11,207.55 = 4,936.85 : x
  2. Step 2: Convert to fraction form
    8,124.40/11,207.55 = 4,936.85/x
  3. Step 3: Cross multiply
    8,124.40x = 11,207.55 × 4,936.85
  4. Step 4: Simplify right side
    8,124.40x = 55,329,912.50
  5. Step 5: Solve for x
    x = 55,329,912.50/8,124.40
  6. Step 6: Final answer
    x = 6,810.34

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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.