Home / 7,884.11-11,824.77-2,885.45

Finding the Fourth Proportional to 7,884.11, 11,824.77 and 2,885.45

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Solution

The fourth proportional to 7,884.11, 11,824.77 and 2,885.45 is: 4,327.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,884.11 : 11,824.77 = 2,885.45 : x
  2. Step 2: Convert to fraction form
    7,884.11/11,824.77 = 2,885.45/x
  3. Step 3: Cross multiply
    7,884.11x = 11,824.77 × 2,885.45
  4. Step 4: Simplify right side
    7,884.11x = 34,119,723.47
  5. Step 5: Solve for x
    x = 34,119,723.47/7,884.11
  6. Step 6: Final answer
    x = 4,327.66

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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.