Home / 4,884.87-7,327.31-1,187.11

Finding the Fourth Proportional to 4,884.87, 7,327.31 and 1,187.11

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Solution

The fourth proportional to 4,884.87, 7,327.31 and 1,187.11 is: 1,780.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,884.87 : 7,327.31 = 1,187.11 : x
  2. Step 2: Convert to fraction form
    4,884.87/7,327.31 = 1,187.11/x
  3. Step 3: Cross multiply
    4,884.87x = 7,327.31 × 1,187.11
  4. Step 4: Simplify right side
    4,884.87x = 8,698,291.66
  5. Step 5: Solve for x
    x = 8,698,291.66/4,884.87
  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.