Home / 6,386.82-8,811.75-4,150.50

Finding the Fourth Proportional to 6,386.82, 8,811.75 and 4,150.50

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Solution

The fourth proportional to 6,386.82, 8,811.75 and 4,150.50 is: 5,726.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,386.82 : 8,811.75 = 4,150.50 : x
  2. Step 2: Convert to fraction form
    6,386.82/8,811.75 = 4,150.50/x
  3. Step 3: Cross multiply
    6,386.82x = 8,811.75 × 4,150.50
  4. Step 4: Simplify right side
    6,386.82x = 36,573,168.38
  5. Step 5: Solve for x
    x = 36,573,168.38/6,386.82
  6. Step 6: Final answer
    x = 5,726.35

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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.