Home / 4,478.39-6,716.82-1,191.51

Finding the Fourth Proportional to 4,478.39, 6,716.82 and 1,191.51

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Solution

The fourth proportional to 4,478.39, 6,716.82 and 1,191.51 is: 1,787.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,478.39 : 6,716.82 = 1,191.51 : x
  2. Step 2: Convert to fraction form
    4,478.39/6,716.82 = 1,191.51/x
  3. Step 3: Cross multiply
    4,478.39x = 6,716.82 × 1,191.51
  4. Step 4: Simplify right side
    4,478.39x = 8,003,162.67
  5. Step 5: Solve for x
    x = 8,003,162.67/4,478.39
  6. Step 6: Final answer
    x = 1,787.06

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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.