Home / 7,933.85-11,881.83-4,415.12

Finding the Fourth Proportional to 7,933.85, 11,881.83 and 4,415.12

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Solution

The fourth proportional to 7,933.85, 11,881.83 and 4,415.12 is: 6,612.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,933.85 : 11,881.83 = 4,415.12 : x
  2. Step 2: Convert to fraction form
    7,933.85/11,881.83 = 4,415.12/x
  3. Step 3: Cross multiply
    7,933.85x = 11,881.83 × 4,415.12
  4. Step 4: Simplify right side
    7,933.85x = 52,459,705.27
  5. Step 5: Solve for x
    x = 52,459,705.27/7,933.85
  6. Step 6: Final answer
    x = 6,612.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.