Home / 4,884.92-7,327.29-1,187.12

Finding the Fourth Proportional to 4,884.92, 7,327.29 and 1,187.12

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Solution

The fourth proportional to 4,884.92, 7,327.29 and 1,187.12 is: 1,780.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,884.92 : 7,327.29 = 1,187.12 : x
  2. Step 2: Convert to fraction form
    4,884.92/7,327.29 = 1,187.12/x
  3. Step 3: Cross multiply
    4,884.92x = 7,327.29 × 1,187.12
  4. Step 4: Simplify right side
    4,884.92x = 8,698,372.50
  5. Step 5: Solve for x
    x = 8,698,372.50/4,884.92
  6. Step 6: Final answer
    x = 1,780.66

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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.