Home / 8,084.40-11,157.81-5,101.86

Finding the Fourth Proportional to 8,084.40, 11,157.81 and 5,101.86

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Solution

The fourth proportional to 8,084.40, 11,157.81 and 5,101.86 is: 7,041.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,084.40 : 11,157.81 = 5,101.86 : x
  2. Step 2: Convert to fraction form
    8,084.40/11,157.81 = 5,101.86/x
  3. Step 3: Cross multiply
    8,084.40x = 11,157.81 × 5,101.86
  4. Step 4: Simplify right side
    8,084.40x = 56,925,584.53
  5. Step 5: Solve for x
    x = 56,925,584.53/8,084.40
  6. Step 6: Final answer
    x = 7,041.41

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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.