Home / 8,264.40-11,409.32-6,371.83

Finding the Fourth Proportional to 8,264.40, 11,409.32 and 6,371.83

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Solution

The fourth proportional to 8,264.40, 11,409.32 and 6,371.83 is: 8,796.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,264.40 : 11,409.32 = 6,371.83 : x
  2. Step 2: Convert to fraction form
    8,264.40/11,409.32 = 6,371.83/x
  3. Step 3: Cross multiply
    8,264.40x = 11,409.32 × 6,371.83
  4. Step 4: Simplify right side
    8,264.40x = 72,698,247.46
  5. Step 5: Solve for x
    x = 72,698,247.46/8,264.40
  6. Step 6: Final answer
    x = 8,796.55

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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.